this is stl file rc car for 3d printer.

the model was tested in ender 3v2 with 0.4 nozle

the model is separate into a part (modular)you can make modification as you like

notice: the model is updated with smaller gear ratio

the native dimension is

length : 15 cm widht : 9 cm height : about 5 cm

what you need to built this

1. bolt m2.5/2 20mm 17x
2. bolt m2.5/2 35mm 4x
3. rubber for turn spring

what you get:

1. stl file and pdf instruction

you can scale it but you need bolt size scaled too.