ShopVac Diffuser

This is a diffuser/baffle for the exhaust port on a ShopVac-style vacuum. Instead of the air blowing out in a straight stream that kicks up dust/etc, this thing will redirect the flow in all directions, and create some turbulence, so that you can hardly feel it just a few inches from the port.

The holes in the part surface add up to roughly 1.5x the area of the exhaust port, so this diffuser should not cause any back-pressure. The sound coming out of my vac does not change at all when I attach the part. I may have gone a bit overboard with all the internal flow-redirection, but it works really well!

The attached STL is actually sized to fit a [Home Depot Ridgid 60-litre Vac](https://www.homedepot.ca/en/home/p.60-litre-16-us-gallon-ridgid-detach-vac.1000685196.html), which has a port that is roughly 2 1/4 inches diameter. You will need to scale that up/down to fit other vacuums.

The tolerance is such that the part will not stay in on its own. Instead you wrap a strip of duct ta