Rostock Max V2 Side Panel Venting

The stock cooling fan for the lower base on the Rostock Max V2 is pretty noisy. I think part of that is related to the grid pattern in the side panel that it is mounted on. I picked up quieter, larger [80mm fans](http://a.co/go3gMj6) and designed what I hope is a higher flow, quieter shroud that works with a replacement panel for mounting on the side of the printer.

I also wanted to have some fun with the potential to have even quieter exhaust while still maintaining good air flow. I saw anot