4" To Dual 2" Vacuum / Dust Collector Adapter

This is an adapter for a 4" port on a dust collector to two 2" shop vac hoses. I have a router table that has an upper and lower dust collector port, and needed a way to connected them both to the dust collector.

This was printed in ABS and glued with epoxy, and didn't collapse even after connecting the two 2" ports together.

The 'wall' variable in the OpenSCAD file allows setting the thickness of the item.The 2.96mm value is recommended by Slic3R PE when setting the perimeters to 4 and ch