QuickRelease for T500/T300 Steering Wheel base

I wasn't happy with the quality of chinese QR for my simulator's steering wheel. A friend of mine showed me a design on Youtube (can't find the author now, sorry) so I decided to design it myself for my T500 universal adapter (the 70mm 6 holes standard).

You need a saddle quick-release clamp of 34mm for the actual fit mechanism. I recommend the hub (the female part) to be printed in ABS for more strength and near 100% of infill and a strong pattern (update: previously I was recommending 65%