Autodesk Fusion , formerly Fusion 360 , is a platform for 3D CAD, modeling, manufacturing, industrial design, electronics, and mechanical engineering. Subscribe or download for free. Autodesk Fusion, formerly Fusion 360 , is a platform for 3D CAD, modeling, manufacturing, industrial design, electronics, and mechanical engineering. Subscribe or download for free. 3D Design, Architecture, Construction, Engineering, Media and Entertainment Software. Professional CAD / CAM Tools, Integrated BIM Tools and Artistic Tools. Autodesk Fusion is free for qualifying students and educators who need Autodesk Fusion for individual use or institutions using in a classroom setting.