anet a8: bundle all upgrades

AnetA8/Printed Upgrades/Bowden extruder/Customizable bowden extruder mount/Customizable_Bowden_Extruder__Mount_for_ANET_A8___Others/LICENSE.txt

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+Customizable Bowden Extruder | Mount for ANET A8 & Others (http://www.thingiverse.com/thing:2204941) by TNS is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
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AnetA8/Printed Upgrades/Bowden extruder/Customizable bowden extruder mount/Customizable_Bowden_Extruder__Mount_for_ANET_A8___Others/README.txt

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+                   .:                     :,                                          
+,:::::::: ::`      :::                   :::                                          
+,:::::::: ::`      :::                   :::                                          
+.,,:::,,, ::`.:,   ... .. .:,     .:. ..`... ..`   ..   .:,    .. ::  .::,     .:,`   
+   ,::    :::::::  ::, :::::::  `:::::::.,:: :::  ::: .::::::  ::::: ::::::  .::::::  
+   ,::    :::::::: ::, :::::::: ::::::::.,:: :::  ::: :::,:::, ::::: ::::::, :::::::: 
+   ,::    :::  ::: ::, :::  :::`::.  :::.,::  ::,`::`:::   ::: :::  `::,`   :::   ::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  :::::: ::::::::: ::`   :::::: ::::::::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  .::::: ::::::::: ::`    ::::::::::::::: 
+   ,::    ::.  ::: ::, ::`  ::: ::: `:::.,::   ::::  :::`  ,,, ::`  .::  :::.::.  ,,, 
+   ,::    ::.  ::: ::, ::`  ::: ::::::::.,::   ::::   :::::::` ::`   ::::::: :::::::. 
+   ,::    ::.  ::: ::, ::`  :::  :::::::`,::    ::.    :::::`  ::`   ::::::   :::::.  
+                                ::,  ,::                               ``             
+                                ::::::::                                              
+                                 ::::::                                               
+                                  `,,`
+
+
+http://www.thingiverse.com/thing:2204941
+Customizable Bowden Extruder | Mount for ANET A8 & Others by TNS is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
+http://creativecommons.org/licenses/by-nc-sa/3.0/
+
+# Summary
+
+** *UPDATE March 28th: Added option for stronger V2 idler (with toggleable handle and additional fixation screw) in CUSTOMIZER* **
+
+This is a remix of [schlotzz](http://www.thingiverse.com/schlotzz)'s [compact direct drive bowden extruder](http://www.thingiverse.com/thing:275593). All credit goes to [schlotzz](http://www.thingiverse.com/schlotzz) for the awesome bavarian engineering on this thing!
+
+The design is highly customizable and works with MK7 or MK8 (and more) hobbed pulleys and features several mounting options! Some parametrization samples can be seen in picture 2. 
+
+<br>
+This remix includes **several improvements and adaptations**:
+* CUSTOMIZER optimized (just open the customizer and generate a bowden extruder fitting your specific components!)
+* Different mount options available (Just a simple selection in the CUSTOMIZER toggles between no mount adapter, ANET A8 mount and parametrizable mounting bracket)
+* Option to add handle for manual tension release
+* Easily adjustable to any bowden pushfit ranging from M5 to M10
+
+<br>
+Please use the CUSTOMIZER to generate your suiting extruder! **The files attached to this thing serve as examples only!**
+
+<br>
+**NOTE:** If you switch your driving gear, you have to adapt your steps per mm of the extruder accordingly! Further informations and instructions regarding this topic can be found in the [reprap wiki (click to jump to corresponding section)](http://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide#E_steps).
+
+# Print Settings
+
+Printer: ANET A8
+Rafts: No
+Resolution: 0.2
+Infill: 40%
+
+Notes: 
+**Supports highly recommended for ANET A8 mount option!**
+All other versions do not require supports.
+
+# Post-Printing
+
+## Instructions
+
+* **Use CUSTOMIZER to adapt mount to your specific hardware!** Just go through all settings here...
+* Slice model and print base plate and idler separately (supports for version with ANET A8 mount required)
+* Use 2mm drill to clean filament path on base plate
+* Screw in your pushfit bowden connector
+* Attach 608zz bearing to idler and secure it with a M5 washer and a M5x10 screw
+* If using the ANET A8 mount: screw the mount to the top right of the printer frame (use stock screw and an additional M3x18 with suiting nut)
+* Attach NEMA17-Motor with three M3x8 (or M3x6) allen head screws (use countersunk holes)
+* Attach idler to base plate with a M3x16 screw (Avoid to much tension to allow idler moving freely)
+* Fasten hobbed pulley on NEMA17 stepper motor shaft. Align its position to the holes the filament is running trough
+* Insert M3 nut into base plate slot
+* Use M3 screw of suitable length with washers and a spring to apply pressure oan filament (For ANET A8 users: You can use the spring of the stock extruder! I added some M3 nuts in the core of the spring to keep it centered.)

AnetA8/Printed Upgrades/Bowden extruder/Customizable bowden extruder mount/Customizable_Bowden_Extruder__Mount_for_ANET_A8___Others/SOURCES.txt

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+Sources for Customizable Bowden Extruder | Mount for ANET A8 & Others
+
+Compact Bowden Extruder, direct drive 1.75mm (http://www.thingiverse.com/thing:275593)
+OpenSCAD ISO metric thread library / functions (http://www.thingiverse.com/thing:27183)

AnetA8/Printed Upgrades/Bowden extruder/Customizable bowden extruder mount/Customizable_Bowden_Extruder__Mount_for_ANET_A8___Others/attribution_card.html

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+        <h1>Customizable Bowden Extruder | Mount for ANET A8 & Others by TNS</h1>
+        <h2>Published on March 26, 2017</h2>
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AnetA8/Printed Upgrades/Bowden extruder/Customizable bowden extruder mount/Customizable_Bowden_Extruder__Mount_for_ANET_A8___Others/files/compact_extruder_mount.scad

@@ -0,0 +1,815 @@
+// Avoid openscad artefacts in preview
+epsilon = 0.01 * 1;
+
+// Which one would you like to see?
+part = "both"; // [first:Main Part,second:Idler,both:Main Part and Idler]
+
+// Select idler version (V2 should provide further strength, but is bulkier)
+idler_version = 1; // [1:V1 (open design), 2:V2 (closed two part splitted design)]
+
+// Increase this if your slicer or printer make holes too tight (default 0.1)
+extra_radius = 0.1;
+
+// Add a clamping handle (manually remove tension for filament insertion)
+add_clamping_handle = 1; // [0:No, 1:Yes]
+
+// Add a M3 screwhole trough handle (only for V2 idler) - use a M3 screw and corresonding nut to add further strength
+add_handle_screw = 1;  // [0:No, 1:Yes]
+
+// Major diameter of metric 3mm thread
+m3_major = 2.85*1;
+m3_radius = m3_major / 2 + extra_radius;
+m3_wide_radius = m3_major / 2 + extra_radius + 0.2;
+
+// Diameter of metric 3mm hexnut screw head
+m3_head_radius = 3 + extra_radius;
+
+// Height of base (default: 5mm)
+base_height = 5*1;        // [2:0.1:10]
+
+/* [Drive gear parameters] */
+// Outer diameter of drive gear
+drive_gear_dia = 9;
+drive_gear_outer_radius = drive_gear_dia / 2;
+
+// Diameter of hobbed section
+drive_gear_hobbed_dia = 7.4;
+drive_gear_hobbed_radius = drive_gear_hobbed_dia / 2;
+
+// How far is the hobbed section away from outer face
+drive_gear_hobbed_offset = 3.2;
+
+// Height of drive gear (only important for gears with height >13mm)
+drive_gear_height = 11;
+drive_gear_length = max(13, drive_gear_height);
+drive_gear_tooth_depth = 0.2;
+
+
+/* [Mounting Options] */
+add_mounting_plate = 1; // [0:None,1:Anet A8 Mount,2: Generic Mount]
+
+// Base width for frame plate (Generic mount only)
+base_width = 15;
+// Base width for frame plate (Generic mount only)
+base_length = 60;
+
+
+
+
+
+// Stepper (nema 17) dimensions
+nema17_width = 42.3 * 1;
+nema17_hole_offsets = [
+	[-15.5, -15.5, 1.5],
+	[-15.5,  15.5, 1.5],
+	[ 15.5, -15.5, 1.5],
+	[ 15.5,  15.5, 1.5 + base_height]
+];
+
+/* [Filament Inlet] */
+
+// Select inlet type (For now: normal and M5 pushfit without thread as option!)
+inlet_type = 0; // [0:Normal, 1:Pushfit]
+
+
+/* [Filament Outlet] */
+// Add thread to hole (set to 'no', if your printer can't handle fine details)
+outlet_thread = 1; // [0:No, 1:Yes]
+
+// Select your pushfit thread (recommended: M5)
+outlet_dia = 10; // [5:M5, 6:M6, 7:M7, 8:M8, 9:M9, 10:M10]
+
+
+/* [Filament Diameter] */
+// Choose your filament diameter
+filament_diameter = 1.75; // [1.75:1.75, 3.00:3.00]
+filament_offset = [
+	drive_gear_hobbed_radius + filament_diameter / 2 - drive_gear_tooth_depth,
+	0,
+	base_height + drive_gear_length - drive_gear_hobbed_offset - 2.5
+];
+
+
+
+
+// helper function to render a rounded slot
+module rounded_slot(r = 1, h = 1, l = 0, center = false)
+{
+	hull()
+	{
+		translate([0, -l / 2, 0])
+			cylinder(r = r, h = h, center = center);
+		translate([0, l / 2, 0])
+			cylinder(r = r, h = h, center = center);
+	}
+}
+
+
+// mounting plate for nema 17
+module nema17_mount()
+{
+	// settings
+	width = nema17_width;
+	height = base_height;
+	edge_radius = 27;
+	axle_radius = drive_gear_outer_radius + 1 + extra_radius;
+
+	difference()
+	{
+		// base plate
+		translate([0, 0, height / 2])
+			intersection()
+			{
+				cube([width, width, height], center = true);
+				cylinder(r = edge_radius, h = height + 2 * epsilon, $fn = 128, center = true);
+			}
+		
+		// center hole
+		translate([0, 0, -epsilon]	)
+			cylinder(r = 11.25 + extra_radius, h = base_height + 2 * epsilon, $fn = 32);
+
+		// axle hole
+		translate([0, 0, -epsilon])
+			cylinder(r = axle_radius, h = height + 2 * epsilon, $fn = 32);
+
+		// mounting holes
+		for (a = nema17_hole_offsets)
+			translate(a)
+			{
+				cylinder(r = m3_radius, h = height * 4, center = true, $fn = 16);
+				cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+			}
+	}
+}
+
+
+// plate for mounting extruder on frame
+module frame_mount()
+{
+	// settings
+	width = base_width;
+	length = base_length;
+	height = base_height;
+	hole_offsets = [
+		[0,  length / 2 - 6, 2.5],
+		[0, -length / 2 + 6, 2.5]
+	];
+	corner_radius = 3;
+
+	difference()
+	{
+		// base plate
+		intersection()
+		{
+			union()
+			{
+				translate([0, 0, height / 2])
+					cube([width, length, height], center = true);
+				translate([base_width / 2 - base_height / 2 - corner_radius / 2, 0, height + corner_radius / 2])
+					cube([base_height + corner_radius, nema17_width, corner_radius], center = true);
+				translate([base_width / 2 - base_height / 2, 0, 6])
+					cube([base_height, nema17_width, 12], center = true);
+			}
+
+			cylinder(r = base_length / 2, h = 50, $fn = 32);
+		}
+
+		// rounded corner
+		translate([base_width / 2 - base_height - corner_radius, 0, height + corner_radius])
+			rotate([90, 0, 0])
+				cylinder(r = corner_radius, h = nema17_width + 2 * epsilon, center = true, $fn = 32);
+
+		// mounting holes
+		for (a = hole_offsets)
+			translate(a)
+			{
+				cylinder(r = m3_wide_radius, h = height * 2 + 2 * epsilon, center = true, $fn = 16);
+				cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+			}
+
+		// nema17 mounting holes
+		translate([base_width / 2, 0, nema17_width / 2 + base_height])
+			rotate([0, -90, 0])
+			for (a = nema17_hole_offsets)
+				translate(a)
+				{
+					cylinder(r = m3_radius, h = height * 4, center = true, $fn = 16);
+					cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+				}
+	}
+}
+
+// plate for mounting extruder on frame
+module frame_mount_anet()
+{
+    base_width_anet = 15;
+    base_length_anet = 60;
+    
+	// settings
+	width = 60;
+	length = nema17_width+base_height;
+	height = base_height;
+	hole_offsets = [
+		[40,  length / 2 - 8, 2.5],
+		[40-23, length / 2 - 8 - 16, 2.5]
+	];
+	corner_radius = 3;
+
+	difference()
+	{
+		// base plate
+        union(){
+            intersection()
+            {
+                union()
+                {
+                    translate([20, -height / 2, height / 2])
+                        cube([width, length, height], center = true);
+                    translate([base_width_anet / 2 - base_height / 2 - corner_radius / 2, -height / 2, height + corner_radius / 2])
+                        cube([base_height + corner_radius, nema17_width+height, corner_radius], center = true);
+                    translate([base_width_anet / 2 - base_height / 2, -height / 2, 6])
+                        cube([base_height, nema17_width+height, 12], center = true);              
+                }
+                
+                union(){
+                    translate([25, -height / 2, 0])
+                    cylinder(r = base_length_anet / 2, h = 50, $fn = 32);
+                    translate([15, -height / 2, 0])
+                    cylinder(r = base_length_anet / 2, h = 50, $fn = 32);    
+                }
+            }
+            // Triangle support  
+            
+            difference(){
+                translate([height/2+2*epsilon, -length/2 - height/2 + epsilon, epsilon])
+                    cube([40,height , 36]);
+           
+                translate([0, -length/2 - height/2 - 2*epsilon, 43.5])
+                    rotate([0,45,0])
+                        cube([60,height + 4*epsilon, 30]);
+            }                  
+        }
+
+		// rounded corner
+		translate([base_width_anet / 2 - base_height - corner_radius, -height / 2, height + corner_radius])
+			rotate([90, 0, 0])
+				cylinder(r = corner_radius, h = nema17_width + height + 2 * epsilon, center = true, $fn = 32);
+
+		// mounting holes
+		for (a = hole_offsets)
+			translate(a)
+			{
+				cylinder(r = m3_wide_radius, h = height * 2 + 2 * epsilon, center = true, $fn = 16);
+				cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+			}
+
+		// nema17 mounting holes
+		translate([base_width_anet / 2, 0, nema17_width / 2 + base_height])
+			rotate([0, -90, 0])
+			for (a = nema17_hole_offsets)
+				translate(a)
+				{
+					cylinder(r = m3_radius, h = height * 4, center = true, $fn = 16);
+					cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+				}
+	}
+}
+
+
+// inlet for filament
+module filament_tunnel()
+{
+	// settings
+	width = 8;
+	length = nema17_width;
+	height = filament_offset[2] - base_height + 4;
+
+	translate([0, 0, height / 2])
+	{
+        union()
+        {
+        
+            difference()
+            {
+                union()
+                {
+                    // base
+                    translate([-height / 2, 0, 0])
+                        cube([width + height, length, height], center = true);
+
+                    // inlet strengthening
+                    translate([0, -length / 2, -height / 2 + filament_offset[2] - base_height])
+                        rotate([90, 0, 0])
+                            cylinder(r = 3.5, h = 1, center = true, $fn = 32);
+
+                    // outlet strengthening
+                    translate([0, length / 2, -height / 2 + filament_offset[2] - base_height])
+                        rotate([90, 0, 0])
+                            cylinder(r = 3.5, h = 1, center = true, $fn = 32);
+
+                    // idler tensioner
+                    intersection()
+                    {
+                        translate([5, -length / 2 + 8, 0])
+                            cube([width, 16, height], center = true);
+                        translate([-17.8, -20 ,0])
+                            cylinder(r = 27, h = height + 2 * epsilon, center = true, $fn = 32);
+                    }
+                    
+                    // outlet pushfitting housing
+                    translate([0, length / 2 + epsilon, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                    cylinder(r = outlet_dia/2 + 1.5, h = 8);
+                    
+                    translate([0, length / 2 + epsilon - 8, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                    cylinder(r1 = outlet_dia/2 + 1.5, r2 = 3, h = 4);
+
+                }
+
+                // middle cutout for drive gear
+                translate([-filament_offset[0], 0, 0])
+                    cylinder(r = 11.25 + extra_radius, h = height + 2 * epsilon, center = true, $fn = 32);
+
+                // middle cutout for idler
+                translate([11 + filament_diameter / 2, 0, 0])
+                    cylinder(r = 12.5, h = height + 2 * epsilon, center = true, $fn = 32);
+
+                // idler mounting hexnut
+                translate([filament_diameter + 1, -nema17_width / 2 + 4, .25])
+                    rotate([0, 90, 0])
+                        cylinder(r = m3_radius, h = 50, center = false, $fn = 32);
+                translate([filament_diameter + 3, -nema17_width / 2 + 4, 5])
+                    cube([2.5 + 3 * extra_radius, 5.5 + 2.5 * extra_radius, 10], center = true);
+                translate([filament_diameter + 3, -nema17_width / 2 + 4, 0])
+                    rotate([0, 90, 0])
+                        cylinder(r = 3.15 + 2.5 * extra_radius, h = 2.5 + 3 * extra_radius, center = true, $fn = 6);
+                
+                // rounded corner
+                translate([-height - width / 2 - 1, -epsilon, height / 2])
+                    rotate([90, 0, 0])
+                        cylinder(r = height, h = length + 4 * epsilon, center = true, $fn = 32);
+                
+                // funnnel inlet
+                if (inlet_type == 0)
+                {
+                    // normal type
+                    translate([0, -length / 2 + 1 - epsilon, -height / 2 + filament_offset[2] - base_height])
+                        rotate([90, 0, 0])
+                            cylinder(r1 = filament_diameter / 2, r2 = filament_diameter / 2 + 1 + epsilon / 1.554,
+                                h = 3 + epsilon, center = true, $fn = 16);
+                }
+                else
+                {
+                    // inlet push fit connector m5 hole
+                    translate([0, -length / 2 - 1 + 2.5 + epsilon, -height / 2 + filament_offset[2] - base_height])
+                        rotate([90, 0, 0])
+                            cylinder(r = 2.25, h = 5 + 2 * epsilon, center = true, $fn = 16);
+
+                    // funnel inlet outside
+                    translate([0, -length / 2 + 4, -height / 2 + filament_offset[2] - base_height])
+                        rotate([90, 0, 0])
+                            cylinder(r1 = filament_diameter / 2, r2 = filament_diameter / 2 + 1,
+                                h = 2, center = true, $fn = 16);
+
+                }
+
+                // funnnel outlet inside
+                translate([0, 12, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                        cylinder(r1 = filament_diameter / 2, r2 = filament_diameter / 2 + 1.25,
+                            h = 8, center = true, $fn = 16);
+
+                // outlet push fit connector hole
+                translate([0, length / 2 + 1 - 2.5 + epsilon, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                        cylinder(r = outlet_dia/2, h = 8 + 2 * epsilon, center = true, $fn = 16);
+
+                // funnel outlet outside
+                translate([0, length / 2 - 4, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                        cylinder(r1 = filament_diameter / 2 + 1, r2 = filament_diameter / 2,
+                            h = 2, center = true, $fn = 16);
+
+                // filament path
+                translate([0, 0, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                        cylinder(r = filament_diameter / 2 + 2 * extra_radius,
+                            h = length + 2 * epsilon, center = true, $fn = 16);
+                
+                // screw head inlet
+                translate(nema17_hole_offsets[2] - [filament_offset[0], 0, height / 2 + 1.5])
+                    sphere(r = m3_head_radius, $fn = 16);
+            }
+            
+            if(outlet_thread){
+                // add outlet thread
+                translate([0, length / 2 +  2*epsilon, -height / 2 + filament_offset[2] - base_height])
+                    rotate([90, 0, 0])
+                    thread_in(outlet_dia,8);
+            }
+        }
+	}
+}
+
+
+// render drive gear
+module drive_gear()
+{
+	r = drive_gear_outer_radius - drive_gear_hobbed_radius;
+    difference()
+    {
+        rotate_extrude(convexity = 10)
+        {
+            difference()
+            {
+                square([drive_gear_outer_radius, drive_gear_length]);
+                translate([drive_gear_hobbed_radius + r, drive_gear_length - drive_gear_hobbed_offset])
+                    circle(r = r, $fn = 16);
+                   
+            }
+        }
+        cylinder(r=2.5,h=20);
+    }
+}
+
+
+// render 608zz
+module bearing_608zz()
+{
+	difference()
+	{
+		cylinder(r = 11, h = 7, center = true, $fn = 32);
+		cylinder(r = 4, h = 7 + 2 * epsilon, center = true, $fn = 16);
+	}
+}
+
+
+// idler with 608 bearing, simple version
+module idler_608_v1()
+{
+	// settings
+	width = nema17_width;
+	height = filament_offset[2] - base_height + 4;
+	edge_radius = 27;
+	hole_offsets = [-width / 2 + 4, width / 2 - 4];
+	bearing_bottom = filament_offset[2] / 2 - base_height / 2 - 6;
+	offset = drive_gear_hobbed_radius - drive_gear_tooth_depth + filament_diameter;
+	pre_tension = 0.25;
+	gap = 1;
+
+	// base plate
+	translate([0, 0, height / 2])
+	difference()
+	{
+		union()
+		{
+			// base
+			intersection()
+			{
+				cube([width, width, height], center = true);
+				translate([0, 0, 0])
+					cylinder(r = edge_radius, h = height + 2 * epsilon, $fn = 128, center = true);
+				translate([offset + 10.65 + gap, 0, 0])
+					cube([15, nema17_width + epsilon, height], center = true);
+			}
+			
+			// bearing foot enforcement
+			translate([offset + 11 - pre_tension, 0, -height / 2])
+				cylinder(r = 4 - extra_radius + 1, h = height - .5, $fn = 32);
+			
+			// spring base enforcement
+			translate([17.15, -nema17_width / 2 + 4, .25])
+				rotate([0, 90, 0])
+					cylinder(r = 3.75, h = 4, $fn = 32);
+            
+            if(add_clamping_handle)
+            hull(){
+                translate([17.15, -nema17_width / 2 - 8, -height/2])
+                    cylinder(r = 3, h = height, $fn = 32);
+                translate([17.15,-width/2,0])
+                    cube([8, 10, height], center = true);
+            }
+            
+		}
+
+		translate([offset + 11 - pre_tension, 0, bearing_bottom])
+			difference()
+			{
+				// bearing spare out
+				cylinder(r = 11.5, h = 25, $fn = 32);
+				
+				// bearing mount
+				cylinder(r = 4 - extra_radius, h = 7.5, $fn = 32);
+				
+				// bearing mount base
+				cylinder(r = 4 - extra_radius + 1, h = 0.5, $fn = 32);
+			}
+
+		// bearing mount hole
+		translate([offset + 11 - pre_tension, 0, 0])
+			cylinder(r = 2.5, h = 50, center = true, $fn = 32);
+
+		// tensioner bolt slot
+		translate([17.15, -nema17_width / 2 + 4, .25])
+			rotate([0, 90, 0])
+				rounded_slot(r = m3_wide_radius, h = 20, l = 1.5, center = true, $fn = 32);
+
+		// fastener cutout
+		translate([offset - 18.85 + gap, -20 ,0])
+			cylinder(r = 27, h = height + 4, center = true, $fn = 32);
+
+		// mounting hole
+		translate([15.5, 15.5, 0])
+		{
+			cylinder(r = m3_wide_radius, h = height * 4, center = true, $fn = 16);
+			cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+		}
+        
+        // outlet pushfitting housing
+        translate([offset, width/2 + epsilon, 1.5])
+        rotate([90, 0, 0])
+        cylinder(r = outlet_dia/2 + 1.5, h = 8);
+        
+        translate([offset, width/2 +epsilon*2 -8, 1.5])
+        rotate([90, 0, 0])
+        cylinder(r1 = outlet_dia/2 + 1.5, r2 = 3, h = 4);
+
+	}
+
+	translate([offset + 11 - pre_tension, 0, filament_offset[2] - base_height])
+		%bearing_608zz();
+}
+
+
+// new idler with 608 bearing
+module idler_608_v2()
+{
+	// settings
+	width = nema17_width;
+	height = filament_offset[2] - base_height + 4;
+	edge_radius = 27;
+	hole_offsets = [-width / 2 + 4, width / 2 - 4];
+	bearing_bottom = filament_offset[2] / 2 - base_height / 2 - 6;
+	offset = drive_gear_hobbed_radius - drive_gear_tooth_depth + filament_diameter;
+	pre_tension = 0.25;
+	gap = 1;
+	top = 2;
+
+	// base plate
+	translate([0, 0, height / 2])
+	difference()
+	{
+		union()
+		{
+			// base
+			translate([0, 0, top / 2])
+			intersection()
+			{
+				cube([width, width, height + top], center = true);
+				translate([0, 0, 0])
+					cylinder(r = edge_radius, h = height + top + 2 * epsilon, $fn = 128, center = true);
+				translate([offset + 10.65 + gap, 0, 0])
+					cube([15, nema17_width + epsilon, height + top], center = true);
+			}
+			
+			// bearing foot enforcement
+			translate([offset + 11 - pre_tension, 0, -height / 2])
+				cylinder(r = 4 - extra_radius + 1, h = height - .5, $fn = 32);
+			
+			// spring base enforcement
+			translate([17.15, -nema17_width / 2 + 4, .25])
+				rotate([0, 90, 0])
+					cylinder(r = 3.75, h = 4, $fn = 32);
+            
+            
+            if(add_clamping_handle)
+            hull(){
+                translate([17.15, -nema17_width / 2 - 8, -height/2])
+                    cylinder(r = 3, h = height+ top, $fn = 32);
+                translate([17.15,-width/2,0+ top/2])
+                    cube([8, 10, height+ top], center = true);
+            }
+		}
+
+		translate([offset + 11 - pre_tension, 0, bearing_bottom])
+			difference()
+			{
+				// bearing spare out
+				cylinder(r = 11.5, h = 8, $fn = 32);
+				
+				// bearing mount
+				cylinder(r = 4 - extra_radius, h = 8, $fn = 32);
+				
+				// bearing mount base
+				cylinder(r = 4 - extra_radius + 1, h = 0.5, $fn = 32);
+				
+				// bearing mount top
+				translate([0, 0, 7.5])
+					cylinder(r = 4 - extra_radius + 1, h = 0.5, $fn = 32);
+			}
+
+		// bearing mount hole
+		translate([offset + 11 - pre_tension, 0, 0])
+			cylinder(r = 2.5, h = 50, center = true, $fn = 32);
+
+		// tensioner bolt slot
+		translate([17.15, -nema17_width / 2 + 4, .25])
+			rotate([0, 90, 0])
+				rounded_slot(r = m3_wide_radius, h = 50, l = 1.5, center = true, $fn = 32);
+
+		// fastener cutout
+		translate([offset - 18.85 + gap, -20, top / 2])
+			cylinder(r = 27, h = height + top + 2 * epsilon, center = true, $fn = 32);
+
+		// mounting hole
+		translate([15.5, 15.5, 0])
+		{
+			cylinder(r = m3_wide_radius, h = height * 4, center = true, $fn = 16);
+			translate([0, 0, height / 2 + top - 4])
+				cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+		}
+        
+        // outlet pushfitting housing
+        translate([offset, width/2 + epsilon, 1.5])
+        rotate([90, 0, 0])
+        cylinder(r = outlet_dia/2 + 1.5, h = 8);
+        
+        translate([offset, width/2 +epsilon*2 -8, 1.5])
+        rotate([90, 0, 0])
+        cylinder(r1 = outlet_dia/2 + 1.5, r2 = 3, h = 4);
+        
+        if(add_handle_screw){
+        // screwhole for handle
+        translate([17.4, -nema17_width / 2 - 5, -height/2-epsilon])
+             cylinder(r = m3_wide_radius, h = height+ top + 4*epsilon, $fn = 16);
+        
+       // translate([17.4, -nema17_width / 2 - 5, height/2 + top - 4])
+       //      cylinder(r = m3_head_radius, h = height + epsilon, $fn = 16);
+        }
+	}
+
+	translate([offset + 11 - pre_tension, 0, filament_offset[2] - base_height])
+		%bearing_608zz();
+}
+
+
+// new idler splitted in printable parts
+module idler_608_v2_splitted()
+{
+	
+	intersection()
+	{
+		idler_608_v2();
+		cube([nema17_width, nema17_width+35, 17.25 - base_height], center = true);
+	}
+	
+	translate([nema17_width + 8, 0, filament_offset[2] - base_height + 4 + 2])
+		rotate([0, 180, 0])
+			difference()
+			{
+				idler_608_v2();
+				cube([nema17_width + 2, nema17_width + 2 +35, 17.25 - base_height], center = true);
+			}
+	
+}
+
+
+// compose all parts
+module compact_extruder()
+{
+	// motor plate
+	nema17_mount();
+
+
+	// mounting plate
+    if(add_mounting_plate==2){
+	translate([-nema17_width / 2 - base_height, 0, base_width / 2])
+		rotate([0, 90, 0])
+			frame_mount();
+    }
+    
+    if(add_mounting_plate==1){
+	translate([-nema17_width / 2 - base_height, 0, 15 / 2])
+		rotate([0, 90, 0])
+			frame_mount_anet();
+    }
+    
+	// filament inlet/outlet
+	translate([filament_offset[0], 0, base_height - epsilon])
+		filament_tunnel();
+
+	// drive gear
+	color("grey")
+		%translate([0, 0, base_height - 2.5])
+			drive_gear();
+
+	// filament
+	color("red")
+		%translate(filament_offset - [0, 0, epsilon])
+			rotate([90, 0, 0])
+				cylinder(r = filament_diameter / 2, h = 100, $fn = 16, center = true);
+}
+
+
+
+module thread_in(dia,hi,thr=16)
+{
+	p = get_coarse_pitch(dia);
+	h = (cos(30)*p)/8;
+	Rmin = (dia/2) - (5*h);	// as wiki Dmin
+	s = 360/thr;
+	t = (hi-p)/p;			// number of turns
+	n = t*thr;				// number of segments
+	echo(str("dia=",dia," hi=",hi," p=",p," h=",h," Rmin=",Rmin," s=",s));
+	difference()
+	{
+		cylinder(r = (dia/2)+1.5,h = hi);
+		translate([0,0,-1]) cylinder(r = (dia/2)+0.1, h = hi+2);
+	}
+	for(sg=[0:n])
+		th_in_pt(Rmin+0.1,p,s,sg,thr,h,(hi-p)/n);
+}
+// function for thread pitch
+function get_coarse_pitch(dia) = lookup(dia, [
+[1,0.25],[1.2,0.25],[1.4,0.3],[1.6,0.35],[1.8,0.35],[2,0.4],[2.5,0.45],[3,0.5],[3.5,0.6],[4,0.7],[5,0.8],[6,1],[7,1],[8,1.25],[10,1.5],[12,1.75],[14,2],[16,2],[18,2.5],[20,2.5],[22,2.5],[24,3],[27,3],[30,3.5],[33,3.5],[36,4],[39,4],[42,4.5],[45,4.5],[48,5],[52,5],[56,5.5],[60,5.5],[64,6],[78,5]]);
+
+module th_in_pt(rt,p,s,sg,thr,h,sh)
+// rt = radius of thread (nearest centre)
+// p = pitch
+// s = segment length (degrees)
+// sg = segment number
+// thr = segments in circumference
+// h = ISO h of thread / 8
+// sh = segment height (z)
+{
+//	as = 360 - (((sg % thr) * s) - 180);	// angle to start of seg
+//	ae = as - s + (s/100);		// angle to end of seg (with overlap)
+	as = ((sg % thr) * s - 180);	// angle to start of seg
+	ae = as + s -(s/100);		// angle to end of seg (with overlap)
+	z = sh*sg;
+	pp = p/2;
+	//         2,5
+	//          /|
+	//  1,4 /  | 
+ 	//        \  |
+	//          \|
+	//         0,3
+	//  view from front (x & z) extruded in y by sg
+	//  
+	polyhedron(
+		points = [
+			[cos(as)*(rt+(5*h)),sin(as)*(rt+(5*h)),z],				//0
+			[cos(as)*rt,sin(as)*rt,z+(3/8*p)],						//1
+			[cos(as)*(rt+(5*h)),sin(as)*(rt+(5*h)),z+(3/4*p)],		//2
+			[cos(ae)*(rt+(5*h)),sin(ae)*(rt+(5*h)),z+sh],			//3
+			[cos(ae)*rt,sin(ae)*rt,z+(3/8*p)+sh],					//4
+			[cos(ae)*(rt+(5*h)),sin(ae)*(rt+(5*h)),z+(3/4*p)+sh]],	//5
+		faces = [
+			[0,1,2],			// near face
+			[3,5,4],			// far face
+			[0,3,4],[0,4,1],	// left face
+			[0,5,3],[0,2,5],	// bottom face
+			[1,4,5],[1,5,2]]);	// top face
+}
+
+module combined() {
+    rotate([0,-90,180]){
+       compact_extruder();
+
+    if(idler_version == 2){
+    translate([0, 0, base_height])
+        idler_608_v2();
+    }
+    else
+    {
+     translate([0, 0, base_height])  
+            idler_608_v1();       
+    }
+}
+}
+
+if (part == "first") {
+        if(add_mounting_plate == 1){
+            rotate([0,-90,180])
+                compact_extruder();
+        }
+        else{
+            compact_extruder();
+        }
+	} else if (part == "second") {
+		if(idler_version == 2){
+            idler_608_v2_splitted();
+        }
+        else
+        {
+            idler_608_v1();       
+        }
+	} else if (part == "both") {
+		combined();
+	} else {
+		combined();
+	}
+
+//translate([20, 0, 0])
+//	idler_608_v2_splitted();

AnetA8/Printed Upgrades/E3Dv6/Anet A8 E3dv6 Bowden Print Carriage Redux/Anet_A8_e3d_v6_Bowden_Print_Carriage_Redux/LICENSE.txt

@@ -0,0 +1,322 @@
+Anet A8 e3d v6 Bowden Print Carriage Redux (http://www.thingiverse.com/thing:2077676) by dldesign is licensed under the Creative Commons - Attribution license.
+http://creativecommons.org/licenses/by/3.0/
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+    this trademark restriction does not form part of this License.
+
+    Creative Commons may be contacted at https://creativecommons.org/.

AnetA8/Printed Upgrades/E3Dv6/Anet A8 E3dv6 Bowden Print Carriage Redux/Anet_A8_e3d_v6_Bowden_Print_Carriage_Redux/README.txt

@@ -0,0 +1,96 @@
+                   .:                     :,                                          
+,:::::::: ::`      :::                   :::                                          
+,:::::::: ::`      :::                   :::                                          
+.,,:::,,, ::`.:,   ... .. .:,     .:. ..`... ..`   ..   .:,    .. ::  .::,     .:,`   
+   ,::    :::::::  ::, :::::::  `:::::::.,:: :::  ::: .::::::  ::::: ::::::  .::::::  
+   ,::    :::::::: ::, :::::::: ::::::::.,:: :::  ::: :::,:::, ::::: ::::::, :::::::: 
+   ,::    :::  ::: ::, :::  :::`::.  :::.,::  ::,`::`:::   ::: :::  `::,`   :::   ::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  :::::: ::::::::: ::`   :::::: ::::::::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  .::::: ::::::::: ::`    ::::::::::::::: 
+   ,::    ::.  ::: ::, ::`  ::: ::: `:::.,::   ::::  :::`  ,,, ::`  .::  :::.::.  ,,, 
+   ,::    ::.  ::: ::, ::`  ::: ::::::::.,::   ::::   :::::::` ::`   ::::::: :::::::. 
+   ,::    ::.  ::: ::, ::`  :::  :::::::`,::    ::.    :::::`  ::`   ::::::   :::::.  
+                                ::,  ,::                               ``             
+                                ::::::::                                              
+                                 ::::::                                               
+                                  `,,`
+
+
+http://www.thingiverse.com/thing:2077676
+Anet A8 e3d v6 Bowden Print Carriage Redux by dldesign is licensed under the Creative Commons - Attribution license.
+http://creativecommons.org/licenses/by/3.0/
+
+# Summary
+
+This is a combine work project between myself and [Dan Rogers](http://www.thingiverse.com/knotbeerdan/about). The purpose was to create a print head mount that allows the user some customization to their exact/ or wanted setup **This is for a Bowden setup**. There are 4 variations of the mount: 
+
+               -Sensor with cooling fan
+               -Sensor without cooling fan
+               -No sensor with cooling fan
+               -No sensor without cooling fan 
+
+Many of the parts are interchangeable if you wish to make changes down the road as you upgrade/ change you own setup. 
+
+There is some required materials for assembly and they are as follows:
+
+          - M3 Hex nut: 8 pieces
+          - M3 Screw 25mm length: 7 pieces
+          - M3 screw 20mm length: 1 piece
+          - The 12 existing screws used to mount the existing carriage to the axis
+    
+You can use standard screws or socket head screws
+
+**Printing**
+
+You will want to use some supports when printing the PRINT CARRIAGE PLATE and the HEAD LOCK. **DONT** use supports when printing the cooling fan duct. 
+
+See the images for the recommended part orientations when printing.
+
+**Assembly**
+
+Prior to assembly, you will want to press fit four (4) M3 hex nuts into the carriage plate, two (2) into the head lock ( the two slots along the top, confirm they align with the screw holes) and 1 into the fan mount (again confirm they align with the screw hole) 
+
+Step 1: Attach the belt holder to the back of the carriage plate ( be sure the opening is facing down) Use four (4) M3x25 screws to do this.
+
+Step 2: Attach the print carriage to the bearings on the X axis. Using the existing 12 screws. It is recommended using the cross tightening method. Then once all screws are in tighten them all down
+
+Step 3: Place the e3d v6 into its opening on the print carriage and attach the desired head lock (fan or no fan). Using two (2) M3x25mm screws **This will be a snug fit** 
+
+At this point if you are not using a sensor or the fan your carriage is completed
+
+Step 4: Attach the turbo fan (5015- radial cooling fan) using one (1) M3x20 screw on the upper most hole and one (1) m3x25 screw on the lower hole
+
+Step 5: Attach the cooling ring to the turbo fan
+
+At this point if you are not using a leveling sensor your carriage is completed 
+
+Step 6: Attach your leveling sensor (proximity or inductive) to the mount using the included hardware with the purchase of one. 
+
+**FINAL STEP FOR EVERY VARIATION**
+Secure your wires with a zip tie through the slots on the side of the print carriage. This is HIGHLY recommended as stress relief.
+
+**Sensor**
+This thing is designed for an 18mm sensor or a 12mm sensor. So when choosing your print carriage, be sure to select WHICH file you want. 
+
+**Sensor offsets**
+With this design the offset of the center of the sensor to the center of the nozzle is: 
+
+               **-28.873mm**
+
+
+Please post make pictures if you print and use this print head!
+ 
+**EDIT 2/15/2016**
+                 
+The Co-designer [Dan Rogers](http://www.thingiverse.com/knotbeerdan/about/) has released a new cooling fan duct that works along with this print head at the following link. http://www.thingiverse.com/thing:2086437 . The goal was to create a lower profile cooling duct. 
+
+# Print Settings
+
+Printer: Anet A8
+Rafts: No
+Supports: Yes
+Resolution: 0.2mm
+Infill: 60-70%
+
+Notes: 
+For details on the supports please read through the description

AnetA8/Printed Upgrades/E3Dv6/Anet A8 E3dv6 Bowden Print Carriage Redux/Anet_A8_e3d_v6_Bowden_Print_Carriage_Redux/attribution_card.html

@@ -0,0 +1,38 @@
+<!-- from http://www.thingiverse.com/thing:8174 by whosawhatsis, used with permission -->
+<style type="text/css">
+#tagback {padding: 50px;background: white;}
+.tag {position: relative;border: 1px solid #eeeeee;width: 450px;height: 150px;margin: 0px;padding: 10px 10px 10px 120px;}
+.tag .qrcode-sidebar {float: right;margin: 0px;padding: 0px;}
+.tag a {color: black;text-decoration: none;}
+.tag h1 {font: bold 18px Arial,sans-serif;margin: 0px;padding: 0px;}
+.tag h2 {font: 14px Arial,sans-serif;margin: 0px;padding: 0px;}
+.tag h3 {font: 12px Courier,monospace;margin: 0px;padding: 0px;}
+.tag h4 {font: 9px Arial,sans-serif;position: absolute;bottom: 0px;left: 0px;margin: 0px 150px 0px 0px;padding: 0px;}
+.tag h4 div {float: left;margin: 0px 5px 15px 125px;height: 40px;}
+.tag h4 div img {height: 40px;}
+</style>
+
+<div id="tagback"><div class="tag">
+        <div class="qrcode-sidebar">
+            <img src="http://chart.apis.google.com/chart?chs=150x150&cht=qr&chl=thingiverse.com/thing:2077676&choe=UTF-8&chld=Q|1">
+        </div>
+        <h1>Anet A8 e3d v6 Bowden Print Carriage Redux by dldesign</h1>
+        <h2>Published on February 1, 2017</h2>
+        <h3>www.thingiverse.com/thing:2077676</h3>
+        <h4>
+                                                                                                            <div class="row-fluid cc-licenses">
+                                            <span class="span6">
+                            <img src="http://www.thingiverse.com/img/cc/chooser_cc.png" />
+                        </span>
+                                            <span class="span6">
+                            <img src="http://www.thingiverse.com/img/cc/chooser_by.png" />
+                        </span>
+                                    </div>
+                    Creative Commons - Attribution<br /></h4>
+</div></div>
+
+<script>
+window.onload = function(){
+    document.getElementById('tagback').appendChild(document.getElementById('tagback').firstChild.cloneNode(true));
+};
+</script>

AnetA8/Printed Upgrades/Hulk Frame Braces/_Hulk__Frame_Brace_for_the_Anet_A8/LICENSE.txt

@@ -0,0 +1,3 @@
+"Hulk" Frame Brace for the Anet A8 (http://www.thingiverse.com/thing:2189694) by Leo_N is licensed under the Creative Commons - Attribution - Non-Commercial license.
+http://creativecommons.org/licenses/by-nc/3.0/
+

AnetA8/Printed Upgrades/Hulk Frame Braces/_Hulk__Frame_Brace_for_the_Anet_A8/README.txt

@@ -0,0 +1,115 @@
+                   .:                     :,                                          
+,:::::::: ::`      :::                   :::                                          
+,:::::::: ::`      :::                   :::                                          
+.,,:::,,, ::`.:,   ... .. .:,     .:. ..`... ..`   ..   .:,    .. ::  .::,     .:,`   
+   ,::    :::::::  ::, :::::::  `:::::::.,:: :::  ::: .::::::  ::::: ::::::  .::::::  
+   ,::    :::::::: ::, :::::::: ::::::::.,:: :::  ::: :::,:::, ::::: ::::::, :::::::: 
+   ,::    :::  ::: ::, :::  :::`::.  :::.,::  ::,`::`:::   ::: :::  `::,`   :::   ::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  :::::: ::::::::: ::`   :::::: ::::::::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  .::::: ::::::::: ::`    ::::::::::::::: 
+   ,::    ::.  ::: ::, ::`  ::: ::: `:::.,::   ::::  :::`  ,,, ::`  .::  :::.::.  ,,, 
+   ,::    ::.  ::: ::, ::`  ::: ::::::::.,::   ::::   :::::::` ::`   ::::::: :::::::. 
+   ,::    ::.  ::: ::, ::`  :::  :::::::`,::    ::.    :::::`  ::`   ::::::   :::::.  
+                                ::,  ,::                               ``             
+                                ::::::::                                              
+                                 ::::::                                               
+                                  `,,`
+
+
+http://www.thingiverse.com/thing:2189694
+"Hulk" Frame Brace for the Anet A8 by Leo_N is licensed under the Creative Commons - Attribution - Non-Commercial license.
+http://creativecommons.org/licenses/by-nc/3.0/
+
+# Summary
+
+<H5>Story</H5>
+One of the Anet A8 biggest drawbacks is the lack of stability in the X-axis. The higher you print the more layers may shift or waves may occur on the printed object.
+For this reason I designed popular brackets to reduce the motion in X-axis: http://www.thingiverse.com/thing:1872162
+However they will not completely eliminate the issue.
+I therefore came up with a more effective means of reducing / eliminating any X-axis motion on the printer.
+
+<H5>Goals / Highlights</H5>
+
+- Eliminates any motion in x-axis direction.
+- Is adjustable to fit any frame misalignment's.
+- Can always be readjusted to compensate for a loosening frame due to vibrations.
+- Uses less filament compared to other designs.
+- Easy fits on a print bed.
+
+<H5>Parts selection</H5>
+Select files
+
+- "Hulk_Right_Top_Arm_wBracket_Leo_N.stl" and
+- "Hulk_Left_Top_Arm_wBracket_Leo_N.stl"
+
+if you have my "Brackets" (http://www.thingiverse.com/thing:1872162) installed on your printer. The "Brackets" are not needed for the "Hulk" braces if you haven't already printed them. 
+You will want to open the holes by using a sharp knife. After the braces have been mounted use a 3.5mm drill and then secure the part with screw, washer and nut (see picture).
+
+If you are not using the Brackets then use files
+
+- "Hulk_Right_Top_Arm_Leo_N.stl" and 
+- "Hulk_Left_Top_Arm_Leo_N.stl"
+
+for assembly.
+
+Files
+
+- "Hulk_Right_Bottom_Support_Leo_N.stl" and
+- "Hulk_Left_Bottom_Support_Leo_N.stl"
+
+will be need in either case.
+
+<H5>Installation</H5>
+
+You will need the following:
+- 2 x M3x20 - 22mm screws MAX!
+- 2 x M3 nuts
+- 2 x 3mm washers
+
+To install each brace you will want to insert the nut  into the upper brace and then place it into the lower holder. Next take the washer and screw and insert it into the assembly.
+Remove the top screw on the lower acrylic support part on each side.
+Now take the complete brace and start at the top by lodging the part to the acrylic frame and then push the lower frame brace onto the lower acrylic part. It should snap in.
+Take the screws you removed earlier, optionally add washers and insert both screws to the lower acrylic supports.
+The next step is to slowly and carefully turn the screw until the brace has a snug fit and the upper portion of the printer frame is no longer moving in X-axis.
+<H4>Be very careful not to put too much force on the frame by over tightening the screw!! </H4> 
+
+Please let me know if you have a problem with the design so I can improve it if necessary or you what new features to the design.
+
+Also please post a picture with comments if you have made one.
+
+Thanks.
+
+Leo
+
+<B>Update 2017.05.25</B>
+Updated file "Hulk_Left_Bottom_Support_Leo_N" due to very little gap between the bottom support and the x-carriage stepper motor on some Anet frames.
+
+<B>Update 2017.05.28</B>
+Lengthened both Bottom_Support's by 0.2mm.
+
+<B>Update 2017.05.30</B>
+Removed holes on the bottom supports to avoid contact with the stepper motor if users 
+selected screws that are to long.
+
+<B>Update 2017.07.22</B>
+Updated both lower supports by reducing height of the mount that support the top braces by -2.0mm. Use the appropriate plates (1mm, 1.5mm or 2mm) included in the file section if your braces are still too loose. Place plate inside the bottom support (picture #4) for height adjustment.
+
+# Print Settings
+
+Printer: Anet A8
+Supports: Yes
+Resolution: Your choice
+Infill: 15%
+
+Notes: 
+For ease of print I would print with PLA.
+If you are going to setup your printer in an enclosure then you will have to select another filament material like ABS.
+
+Use 0.8mm wall thickness.
+
+You might need to use "Rafts" to avoid warping depending on your printer setup.
+
+Rotate the upper braces by 25° to fit the build plate and make sure you set your Slicer to 100% scale.
+
+Here is a wonderfully made video about the Hulk braces and how to install them.
+<iframe width="560" height="315" src="https://www.youtube.com/embed/NIxGJ5ZkCh8" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

AnetA8/Printed Upgrades/Hulk Frame Braces/_Hulk__Frame_Brace_for_the_Anet_A8/attribution_card.html

@@ -0,0 +1,42 @@
+<!-- from http://www.thingiverse.com/thing:8174 by whosawhatsis, used with permission -->
+<style type="text/css">
+#tagback {padding: 50px;background: white;}
+.tag {position: relative;border: 1px solid #eeeeee;width: 450px;height: 150px;margin: 0px;padding: 10px 10px 10px 120px;}
+.tag .qrcode-sidebar {float: right;margin: 0px;padding: 0px;}
+.tag a {color: black;text-decoration: none;}
+.tag h1 {font: bold 18px Arial,sans-serif;margin: 0px;padding: 0px; word-wrap: break-word; max-height: 2.25em; overflow: hidden;}
+.tag h2 {font: 14px Arial,sans-serif;margin: 0px;padding: 0px;}
+.tag h3 {font: 12px Courier,monospace;margin: 0px;padding: 0px;}
+.tag h4 {font: 9px Arial,sans-serif;position: absolute;bottom: 0px;left: 0px;margin: 0px 150px 0px 0px;padding: 0px;}
+.tag h4 div {float: left;margin: 0px 5px 15px 125px;height: 40px;}
+.tag h4 div img {height: 40px;}
+</style>
+
+<div id="tagback"><div class="tag">
+        <div class="qrcode-sidebar">
+            <img src="//chart.apis.google.com/chart?chs=150x150&cht=qr&chl=thingiverse.com/thing:2189694&choe=UTF-8&chld=Q|1">
+        </div>
+        <h1>&quot;Hulk&quot; Frame Brace for the Anet A8 by Leo_N</h1>
+        <h2>Published on May 8, 2017</h2>
+        <h3>www.thingiverse.com/thing:2189694</h3>
+        <h4>
+                                                                                                                                                <div class="row-fluid cc-licenses">
+                                            <span class="span4">
+                            <img src="https://cdn.thingiverse.com/site/img/cc/chooser_cc.png" />
+                        </span>
+                                            <span class="span4">
+                            <img src="https://cdn.thingiverse.com/site/img/cc/chooser_by.png" />
+                        </span>
+                                            <span class="span4">
+                            <img src="https://cdn.thingiverse.com/site/img/cc/chooser_nc.png" />
+                        </span>
+                                    </div>
+                    Creative Commons - Attribution - Non-Commercial<br /></h4>
+</div></div>
+
+<script>
+// TODO
+window.onload = function(){
+    document.getElementById('tagback').appendChild(document.getElementById('tagback').firstChild.cloneNode(true));
+};
+</script>

AnetA8/Printed Upgrades/X belt Tensioner/Anet_A8_Improved_X-belt_Tensioner/LICENSE.txt

@@ -0,0 +1,363 @@
+Anet A8 Improved X-belt Tensioner (http://www.thingiverse.com/thing:1683070) by freemark is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
+http://creativecommons.org/licenses/by-nc-sa/3.0/
+
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+
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AnetA8/Printed Upgrades/X belt Tensioner/Anet_A8_Improved_X-belt_Tensioner/README.txt

@@ -0,0 +1,27 @@
+                   .:                     :,                                          
+,:::::::: ::`      :::                   :::                                          
+,:::::::: ::`      :::                   :::                                          
+.,,:::,,, ::`.:,   ... .. .:,     .:. ..`... ..`   ..   .:,    .. ::  .::,     .:,`   
+   ,::    :::::::  ::, :::::::  `:::::::.,:: :::  ::: .::::::  ::::: ::::::  .::::::  
+   ,::    :::::::: ::, :::::::: ::::::::.,:: :::  ::: :::,:::, ::::: ::::::, :::::::: 
+   ,::    :::  ::: ::, :::  :::`::.  :::.,::  ::,`::`:::   ::: :::  `::,`   :::   ::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  :::::: ::::::::: ::`   :::::: ::::::::: 
+   ,::    ::.  ::: ::, ::`  :::.::    ::.,::  .::::: ::::::::: ::`    ::::::::::::::: 
+   ,::    ::.  ::: ::, ::`  ::: ::: `:::.,::   ::::  :::`  ,,, ::`  .::  :::.::.  ,,, 
+   ,::    ::.  ::: ::, ::`  ::: ::::::::.,::   ::::   :::::::` ::`   ::::::: :::::::. 
+   ,::    ::.  ::: ::, ::`  :::  :::::::`,::    ::.    :::::`  ::`   ::::::   :::::.  
+                                ::,  ,::                               ``             
+                                ::::::::                                              
+                                 ::::::                                               
+                                  `,,`
+
+
+http://www.thingiverse.com/thing:1683070
+Anet A8 Improved X-belt Tensioner by freemark is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
+http://creativecommons.org/licenses/by-nc-sa/3.0/
+
+# Summary
+
+This x-belt tensioner works with the original right side bearing block that came with the printer, so you do not need to print a new one. It also tightens against the x-axis rods instead of the right bearing block. This is to prevent binding along the z-axis when the x-belt is tightened. 
+
+Be sure to see the readme.txt file for more information on building and installing.

AnetA8/Printed Upgrades/X belt Tensioner/Anet_A8_Improved_X-belt_Tensioner/attribution_card.html

@@ -0,0 +1,44 @@
+<!-- from http://www.thingiverse.com/thing:8174 by whosawhatsis, used with permission -->
+<style type="text/css">
+#tagback {padding: 50px;background: white;}
+.tag {position: relative;border: 1px solid #eeeeee;width: 450px;height: 150px;margin: 0px;padding: 10px 10px 10px 120px;}
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+        </div>
+        <h1>Anet A8 Improved X-belt Tensioner by freemark</h1>
+        <h2>Published on July 22, 2016</h2>
+        <h3>www.thingiverse.com/thing:1683070</h3>
+        <h4>
+                                                                                                                                                                                    <div class="row-fluid cc-licenses">
+                                            <span class="span3">
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+                        </span>
+                                            <span class="span3">
+                            <img src="http://www.thingiverse.com/img/cc/chooser_sa.png" />
+                        </span>
+                                    </div>
+                    Creative Commons - Attribution - Non-Commercial - Share Alike<br /></h4>
+</div></div>
+
+<script>
+window.onload = function(){
+    document.getElementById('tagback').appendChild(document.getElementById('tagback').firstChild.cloneNode(true));
+};
+</script>

AnetA8/Printed Upgrades/X belt Tensioner/Anet_A8_Improved_X-belt_Tensioner/files/readme.txt

@@ -0,0 +1,16 @@
+
+This x-belt tensioner works with the original right side bearing block that came with the printer, so you do not need to print a new one. It also tightens against the x-axis rods instead of the right bearing block. This is to prevent binding along the z-axis when the x-belt is tightened.
+
+Parts needed:
+
+The x-belt will need to be approx 4in (10cm) longer.
+Machine Screw 4mm x 30mm with hex nut, two of each.
+Machine screw, 3mm x 24mm with lock nut (the kind with a plastic insert)
+Remove and reuse the existing x-belt pulley.
+
+Installation:
+
+After printing the tensioner, sand the inside of the rectangular slot, if necessary, until the x-belt pully fits inside loosely. Make sure the 4mm screws fit into the two holes on either side of the slot. Enlarge them with a drill bit if needed. Embed the hex nuts into the block at the hex shaped recesses of the 4mm screw holes: Thread a nut onto the 4mm screw, then hold it with a pair of pliers and heat the nut for 5 to 10  seconds with a small torch or cigarette lighter. Carefully press the nut straight down into the hex recess, then repeat for the other one. Install the pulley into the slot and secure it with the 3mm screw & lock nut. Do not tighten it too much, the pulley needs to be able to spin freely. Mount the completed tensioner, with a new belt, as shown in the photo. Tighten the 4mm screws evenly until you remove all slack from the belt.
+
+
+