Recycled Filament Spool Air Filter

A quick little project to use up some old spools and use them to make air filters , witch are nice to have around with 3dprinters and the sanding and finishing work that goes with it .
stl files : www.thingiverse.com/thing:572...
instagram : @turboprint2020
twitter : turbo print3d
cults: cults3d.com/en/users/turbopri...