Final Chassis Design:
1. 12 holes for the drive shaft bearings to be mounted
2. 4 cylinders for the top-guiding roller holders
3. 4 set screw slots for top-guiding roller holders
4. Clearance holes for the optics system to be mounted to the body
5. 4 clearance holes for the motor mounts
6. Holes for the tracer wheel mount
7. Battery holder platform
8. Open area for drive train system
9. Slots for electrical cables
10. 4 motor encoder holes
11. Raspberry Pi holder area
Fig 1. Final Chassis Design Features Fig 2. Final Chassis Design Features - Top View