Parametric Horizontal Spool Roller (for rostock-mini, Octave, MakerGear, othes)

This is a parametric horizontal spool roller. I created it to hold a spool of filament above the top frame of my (slightly modified) rostock-mini, but it can be used to hold a spool horizontally above any flat surface.

The STL files provided work with spools that have 31mm and 51mm holes (Octave and MakerGear). If your spool(s) have different sized holes, you will need to modify the SCAD file and re-generate the STL files. (You can also make the arms longer or shorter, and make the base/shiel