About this 3D model

UPDATE: Realized my math was wrong and printed out one of the original files. (wasn't 1/16" gap) So I added a file with 1/16" walls and left the 1/32" wall version. 3/4" Aluminum Square Tube Bushing with 1/16" Walls 3/4" Aluminum Square Tube Bushing with 1/32" Walls