This model is part a collaborative project started by Ultimaker Pioneers
I also used the code to make the maze from here
<http://www.thingiverse.com/thing:1264082> and <http://www.thingiverse.com/thing:1185425>
I have been using openSCAD to modify the original design. On all my modifications I have kept the surfaces where the balls meet identical so they will still fit with any other redesigned ball parts.
I will add some tutorial links here once I get that on line, showing how to use openSCAD for thi
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