Parametric shelf-mounted filament holder

This filament holder will clip to a shelf (or in my case: The bottom of some cabinets). I designed this around some parts from my junk bin, but it can easily be adjusted to something else.

To render, you will need aubenc's "Poor man's openscad screw library" (which is the main reason this thing is not customizable). Please see 'dimensions.scad' for parameters.

You will need to print:

2x clamp.stl
1x bracket_left.stl
1x bracket_right.stl
1x nut.stl
1x bolt.stl

In addition, you w