Build guide
Print the body
PLA, 0.20 mm layers, 0.4 mm nozzle. Gears print cleaner with a finer nozzle. CAD on A360.
Chassis A
Motors and wheel shafts · 20% infill · support
Download chassis_a.stlChassis B
Board, encoders, battery · 20% infill · no support
Download chasis_b.stlWheel ×2
623ZZ press-fit · 20% infill · support
Download wheel.stlCastor ×2
4 mm ball · 100% infill · no support
Download castor_wheel.stlMotor gear ×2
1:1 to the wheel · 100% infill · no support
Download motor_gear.stlMotor shaft ×2
Wheel axle sleeve · 100% infill · no support
Download motor_shaft.stlEncoder shaft ×2
1:6 to the wheel · 100% infill · no support
Download encoder_shaft.stlCover
20% infill · support
Download cover.stlUSB slider
Door for the USB port
Download cover_usb.stlE-hat
20% infill · no support
Download ehat.stlE-hat glove
100% infill · no support
Download ehat_glove.stlPrint settings
| Printer in the notes | Anet A8 |
| Nozzle | 0.4 mm |
| Filament | PLA |
| Slicer | Cura 4.8 |
| Default layer height | 0.20 mm |
Print the encoder-height shim at 0.10 mm, in 0.1–0.4 mm thicknesses, and keep the one that meshes cleanly.