GEPRC Leopard Backpack Mount

This lets one mount things on the GEPPRC Leopard's aluminum frame. Sized to fit (snugly) in the smallest hole but also works in the larger ones. Not technically a remix as I designed from scratch in fusion 360 as an exercise, but copied the look of the DQuad one so thought I'd give credit.

Fusion 360 source: https://a360.co/2KmySqB