Parametric Mendel90 Filament Spool Holder

A simple spool holder for the [Mendel90 Lasercut](http://www.thingiverse.com/thing:169615)

I have done a detailed blog post as an introduction to OpenSCAD, using this design as a worked example. Check it out, any feedback is appreciated:
http://blog.think3dprint3d.com/2013/10/OpenSCAD-Mendel90-Filament-Holder.html

By changing variables in the the OpenSCAD script or using the customiser you can use different spool sizes and either 624 or 608 bearings.

I have been using this for 2.3kg f