Stanley Combination Square Thumbnut (46-222)

The plastic thumbnut's thread got loose, i printed a new one. This is a mixture of the "Nut Job" by mike_mattala and knurledFinishLib written by aubenc.

Stanley combination square: http://www.stanleytools.com/en-us/products/hand-tools/measuring-layout/squares/12-in-combination-square/46-222