About this 3D model

Wanted a study wall mount for each of my lenses. this model prints in two pieces and then is joined with two 3" wood screws. this is to ensure each section prints strong, 4 mounting holes, bottom has a hole to allow for rear lens cap cover to sit inside (canon). top section is a protection ring to protect lens from tipping/falling out. works great Top has 90mm diameter hole Bottom has 60mm Diamter hole and a raised Lip with 70mm inner diamter overall height is 87mm and width is 100mm, sticks out from wall 107mm