naze32 vibration damping mount (inexpensive earplug edition)

As always, the most recent OpenSCAD code is here, on github: https://github.com/beckdac/naze32_vibro_mount

This `thing` is a mount for the common f450 clone and family for a naze32 rev6 (might work with other revs) with 3M (and other) earplug as vibration dampeners. Simply pull them through the 5mm holes and wait a few minutes while the memory phone expands. It helps to use mm ruler or digital caliper to verify the offsets are equal and then do a calibrate accel in cleanflight config, which