Propeller and Brushless Motor Test Bench

I had big issues to find a good Prop/Motor combo to built quadcopter with high efficiency or high thrust, without risking to burn my motors or ESCs. Because there was no Prop testbench build available and I wanted something nice looking instead something built of wood manually, I decided to design my own 3D printable testbench.

With this setup you can use a generic kitchen scale to measure propeller thrust on the bench. It should be suitable for props from 5 to 12 Inch (smaller props could h