Edit I forget why the .thing file is longer than the .stl. If anything, the .thing is probably the correct depth, since I often make small corrections in Makerware and then save the file. YMMV

This will plug the hole left in the body when one decides not to mount an FPV camera. The nibs on the sides of the barrel are not designed to latch when pushed completely in. They're intended to crush/deform, to create a very tight fit when inserted through the hole. I only insert until the barrel end is flush with the inside of the body. Then, in gap between the underside of the "brim/rim" and the body, I put a few dabs of super glue. This will keep the cap from shooting into the body, if for some reason one one to hit a pole - or similar - possibly forcing the plug into wires and or electronics. It also makes it removable - with some force - in the event you decide to upgrade. Enjoy!

Printed at 100% infil, 2 perimeters, .20 layers; in PLA. It's a simple device, print it however you want.