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ADAA has published 6 free 3D printable models with a total of 893 downloads and 50 likes. Most popular categories: Autodesk Inventor, STEP / IGES, Autodesk Inventor, STEP / IGES, Other, OBJ, STEP / IGES, STEP / IGES, STL. Models available on Grabcad. Active since 2019.