About this 3D model

This a a HOG or "Hemispherical Omnidirectional Gimballed Drive". I made this for our schoolproject on the PXL Hogeschool. Video at: https://www.youtube.com/watch?v=keSnkupPV9U +++Update+++ I now made a version that supports bigger motors(25mm). The gimbal is updated so the inner part wont touch the outer ring anymore.