Filament-Roll Pole Holder
thingiverse
I've got a stash of 20mm diameter metal rods just begging to be put to use as holders for my filament rolls. I've already uploaded the STL file so you can easily adjust the diameter to fit your pole size. As for securing it to the wall, I'm counting on 3M Command Strips - probably four per mount - to do the trick without leaving a single mark behind. And since I want to make the most of this project, I'm planning on printing out four of these holders to create a dual-level filament-roll storage rack that's sure to come in handy.
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