Wall Spool Filament Holder

Wall Filament Spool Holder
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Simple 1kg spool holder for your 3D printer and a support to guide the filament and prevent entanglement.

There are two options (A and B in the file names) for the stopper, my recommendation is option B.
A is bigger and needs to be removed to change the spool, but it is safer.
B is smaller and easier to change the spool.

Material
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- 4 3mm screws

Design
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I have uploaded the FreeCAD design that I made,