3D printing settings Print with 3 shells (3 Walls) and at least 50% infill. Any more and it is overkill. Acetone fuses it all together if you are concerned. Use some appropriate length 3mm hardware. Make sure there is good thread purchase, you don't want to core out the threads in the body mount by not using bolts long enough. Screw 'em on, pin on the body and kick some ass!