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PenGuIn has published 3 free 3D printable models with a total of 111 downloads and 8 likes. Most popular categories: FreeCAD, STEP / IGES, STEP / IGES, FreeCAD, STEP / IGES, Other. Models available on MakerWorld, Printables, Grabcad, Cults3D, Thingiverse. Active since 2021.