Customizeable version of FablabMoebius spool holder

####V1.2
* Added the option for adding feet, to bolt the holder to a surface with M8 bolts.

####V1.0
* Initial upload

I made a customizeable version of FabLabMoebiuses spool holder. This meant writing it from the bottom up in OpenSCAD, so nothing has been used from FabLabMoebuises holder, but I did get the idea from there.

This being written in OpenSCAD, and me not being in the mood to do the math of parametric curved legs, this is a less apealing version of the spool holder, though s