HyperCube Filament Fan Duct - Thicker Walls

This is a remix of the original V1.2 fan duct with thicker walls. My original fan duct had a small amount of buzzing noise. Maybe I printed it poorly. This duct is a bit stronger and less prone to vibration.

I printed this part in ABS at 230 C. I used supports inside but they are difficult to remove. Try it without supports to see how your printer does.

Update: This duct did not get rid of my buzzing noise. I now think the buzzing is being caused by the shroud on my E3D clone vibrating aga