F3D - Fast and minimalist 3D viewer By Michael Migliore and Mathieu Westphal. F3D (pronounced /fɛd/) is a fast and minimalist 3D viewer desktop application. It supports many file formats, from digital content to scientific datasets (including glTF, USD, STL, STEP, PLY, OBJ, FBX, Alembic), can show animations and support thumbnails and many rendering and texturing options including real time physic