Flexible Landing Gear for Quadcopter "Crossfire" [deprecated]

This is a deprecated version. New version available here:
Flexible Landing Gear for Quadcopter "Crossfire" Version 2

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Since the feet of my quadcopter "Crossfire" by MikeyB broke off during my very first test flight, I created these convenient, robust and flexible landing gears (you can drop the copter from about 30cm height with no problems, maybe even higher but I didn't test it higher).

These landing gears aren't attached to the arms but to the bottom plate using the two screws which are already there. They also have hexagonal holders for the nuts to conveniently retighten the screws between flights.

With 30% infill (recommended) this adds about 50 grams to your weight.

Note: Depending on your screw length, nut size and print settings, you might want to fine-tune the nut holder. Make sure that the nut fits tight but doesn't break the layers apart when being screwed tightly.