About this 3D model

This is a pass through that allows filament to pass through a barrier up to 10mm thick. The center ball allows for the filament path to adjust and prevent kinks at the pass through. M6x1 screw threads to fit a bowden tube coupler on one side. Square shoulders on opposite side to easily tighten coupler against center ball. Center pillar is 20mm diameter, 5mm holes for mounting screws/bolts.