June 11, 2014
Description
Customized version of my 20mm hollow calibration cube: http://www.thingiverse.com/thing:271736, but has outer dimensions of one inch, (25.4mm) for those who prefer SAE.
Slic3r seems to think that the .scad generated cube is solid, and so tries to print it solid, so until I can find a better fix, I just printed it with 0% infill, with 2 perimeters (shells).
License:
Creative Commons - Attribution - Share Alike