Image © 2019 Voron Design
Table of contents
- Sourcing Parts- Fasteners
- Motion
- Electronics
- Bowden
 
- Printing Parts- 80T Gear
- Drive Shaft
- Idler Assembly
- Body Assembly
 
Sourcing Parts
I plan to build two M4 Extruders, 1 standard and 1 mirrored to mount to the back of the printer so that I can experiment with the dual bowden setup.
Fasteners
| Item | Quantity | Received | Notes | 
|---|
| M3x30 SHCS | 4 | 8 |  | 
| M3x16 SHCS | 2 | 4 |  | 
| M3x12 SHCS | 1 | 2 |  | 
| M3x6 BHCS | 5 | 10 |  | 
| M3 Threaded Insert | 5 | 10 |  | 
| M3 Washer | 2 | 4 |  | 
| Thumb Screw Assembly | 1 | 2 |  | 
Motion
| Item | Quantity | Received | Notes | 
|---|
| GT2 Belt Loop (6mm wide) - 188mm | 1 | 2 |  | 
| GT2 20T (6mm wide) Pulley (5mm bore) | 2 | 4 |  | 
| F695 2RS | 2 | 4 |  | 
| Bondtech Drive Gear Set | 1 | 2 |  | 
| 5mm x 50mm Shaft | 1 | 2 |  | 
Electronics
| Item | Quantity | Received | Notes | 
|---|
| NEMA17 Motor 17HS08-1004S | 1 | 2 | LDO 42STH20-1004AS | 
Bowden
| Item | Quantity | Received | Notes | 
|---|
| Bowden Clip | 1 | 2 |  | 
| Bowden Fitting | 1 | 2 | ECAS Version | 
| Bowden Tube (m) | 1 | 2 |  | 
Printing Parts
All printed parts will be printed in eSun ABS+. The Voron team recommends an infill type of 40% of either Grid, Gyroid, Honeycomb, Triangle or Cubic. A layer height of 0.2mm and extrusion width of 0.4mm, with a wall count of 4 and top/bottom layers of 5.
80T Gear
❎ Assembly
Parts Needed
| Item | Quantity | 
|---|
| GT2 20T (6mm wide) Pulley (5mm bore) | 1 | 
| M3x8 BHCS | 5 | 
Drive Shaft
❎ Assembly
Parts Needed
| Item | Quantity | 
|---|
| 5mm x 50mm Shaft | 1 | 
| BMG Drive Gear | 1 | 
| F695 2RS | 1 | 
Idler Assembly
❎ Assembly
Parts Needed
| Item | Quantity | 
|---|
| BMG Idler Assembly | 1 | 
Body Assembly
❎ Assembly
Parts Needed
| Item | Quantity | 
|---|
| Bowden Fitting | 1 | 
| F695 2RS | 1 | 
| GT2 20T (6mm wide) Pulley (5mm bore) | 1 | 
| GT2 Belt Loop (6mm wide) - 188mm | 1 | 
| LDO 42STH20-1004AS | 1 | 
| M3x12 SHCS | 1 | 
| M3x16 SHCS | 2 | 
| M3x30 SHCS | 4 | 
| M3 Threaded Insert | 5 | 
| M3 Washer | 2 | 
| Thumb Screw Assembly | 1 |