CX-20 f450 landing gear adapter

**UPDATE (2016-09-23)** - I added thicker plates (4mm instead of 3mm) and some additional support to prevent bending. This is due to the problems with bending of the leg mounts that I've faced durring hot summer months. New files and pictures (black printed parts) are added. This new version is also printed out of ABS, not PLA.
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I acquired landing gear that would suit my gimbal and that is fairly stable, but it didn't fit the provided mounting positions on my Cheerson CX-20.