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Rk has published 8 free 3D printable models with a total of 1,597 downloads and 73 likes. Most popular categories: STEP / IGES, SOLIDWORKS, Other, STEP / IGES, Other, Autodesk Inventor. Models available on Printables, Grabcad, MakerOnline, MakerWorld, MyMiniFactory. Active since 2016.