Prusa Humidity Control

I live in a very humid part of the world so I can not leave my filaments open. So, usually when they are not being used, they are in sealed plastic containers with desiccant. But, when in use, mounted on top of my printer, they are exposed to the elements. I needed something to cover them whilst on top of the printer but that did not add a lot of mass with the potential of introducing ringing.

This design uses very light weight materials, 3mm thick Coreflute (like plastic cardboard), some wire, a few printed parts and a plastic bag. The heaviest is the desiccant. The rest is just the standard spool holder that comes with the Prusa MK3. Coreflute is assembled using tape (scotch, cello, whatever you guys call it in your part of the world)

All you need to print is the bolt, nut, left and right stl's. Note, I used a teflon tube insert in the bolt to ensure the filament slides easily. Also in the top of the bolt is a piece of foam to wipe the filament clean of dust ect. To mount the