Infrared controlled car, assemble as shown in the first design.

IPORTANT:
-Scale down 5% the second gear in order to avoid jams.
-Tape the motor for a tight fit.

Prusa

Prusa Clone

Doesn't Matter

Yes

Gears:0.1 Everything else:0.2-0.4

10%

Scale down 5% the second gear before printing it.

Use a rigid straw or a thin pen as axis. It should be 7mm in diameter.rn(Optional): Sand carefully both gears or add oil to them.rn(Optional): Add tape to the wheel to improve the grip.rnrnThe electronical part is up to you, but I used:rn-H bridge to allow the car to move also backwards.rn-Keyes Infrared sensor, with its remote controller.rn-9g servo.rn-9V size battery (actually itu00b4s 5.4v).rn-The motor that came with my arduino pack (idk the model).rnrn(Use less jumper wires than me, please)