16x16 Quad Skid

Couldn't find any 16x16 skids with the height that I wanted and a hole to access the motor shaft screw without disassembly.

Mounting screw holes aren't big enough to allow the screws to just fall through, but they do thread in easily.

I have only printed these with 100% infill for abrasion resistance, so I don't have any suggestions yet on infill percentage to reduce weight.