About this 3D model

I used the bumper from this thing as template to create a new front and rear bumper. The rear bumper is lower to accommodate the battery wires. I also created a top bumper that can be used both for front and rear. I have the 6" arms so I used the arm bumpers from this thing. For 5" you can use these. Print with 100% infill. The insanely cool LED holder at the back can be downloaded here.