Rubik's 2x2x2 twisty puzzle cube

Design goal was been a easy-to-print 2x2x2. And, at design-start I didn't had found annother 2x2x2 here (It was been, but the search function here didn't found. If you are google 'www.thingiverse.com rubik 2x2x2' there is annother.

Step 1:
Print the calibrate cube, check if your machine is good. If your measurement is scaled (multiplied) in X _and_ Y then it is ok. If the outline is bigger and the hole is smaller, you have to adjust this in your slicing software. slic3r 1.2.9 and repsnapper