A simple spool rack for twin slot wall rail, printed on it's side with 8 perimeters for maximum strength.
Endcaps prevent spools from slipping of the end and add a buffer instead of a sharp metal edge.
Clip on labels are available for manually adding text in the slicer or just standard 12 mm label tape.
2 x Aluminium Pipe (Or other round stock) Ø 25 mm
2 x Twin Slot Wall Rail (Slot: Length 25 mm, Width 4 mm, Spacing 25 mm, Center to Center 10 mm)
Made with the personal version of Autodesk Fusion 360 therefore non commercial only.
Source file included.