STL file: http://www.geekhaus.com/makerhome/day28_gearbox.stl
Tinkercad link: https://tinkercad.com/things/jv8fVQ1rMgA-day-28-gear-box
Thingiverse link: http://www.thingiverse.com/make:48362
Settings: Afinia 3D software .3mm normal, 54 minutes.
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