I modified this design sourced from: https://www.thingiverse.com/thing:2151514
Due to size constraints of my printer, I divided the chassis into two parts.
For assembly, you'll need 2 M3x10 screws along with nuts for joining.
chassis_part_1.stl | 326.8KB | |
chassis_part_2.stl | 326.6KB | |
robot_car_mod.f3d | 3.3MB |