PRN3D Custom parts set Upload test.

http://www.thingiverse.com/thing:471097 : Quick Release & set
http://www.thingiverse.com/thing:471720 : X-axis
http://www.thingiverse.com/thing:471864 : Y-axis&Base
http://www.thingiverse.com/thing:471949 : Z-axis&Power unit
http://www.thingiverse.com/thing:472001 : Control board & Spool holder

Upload test.
I have prepared the parts in a separate file.
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This is similar to the original parts, but t