Skid pads for quadcopters with 16 x 19 hole spacing

The holes are spaced for a brushless motor with 16 x 19mm spaced holes. The holes are 3mm and counter bored for the screw head to recess. They are designed for socket head cap screws. The screw head size is 5.5mm. After printing, you may or may not have to slightly drill with a 3mm drill bit. However, you may do fine simply screwing in the fastener and allowing the threads to ream out the hole. The base of the holes is 2mm thick giving the screws enough material to be securely tightened without