What is .F3D file?
3D design file created by Autodesk Fusion 360, a cloud-based 3D CAD design tool; contains your 3D design created by the latest mechanical and industrial design tools designs.
The F3D file will appear on your machine if you use the export feature (much like the Save As... feature), otherwise it is stored in the Autodesk cloud.
Autodesk Fusion 360 is cloud-based 3D CAD created for collaboration. Since it's cloud-based you can access your designs anywhere, anytime, on any machine.
Recommended Software Programs to open .F3D file