Air Filtration System for 3d printers

2018-02-15: Updated the filter towers a little bit, now better printable.
2018-02-16: Coarse Filter updated to V4, was a little bit too large, fits better now.

I love 3d printing but I hate the smell of it and some research papers indicate, that the flue might be harmful, so I designed this air filtration system.

Before you can install the filter, you need to cut a 116mm hole into the housing. If you put the fan into the filtertower, make some extra space for its cable. You will also nee