Github, everyone's favorite nerdery, added STL object file support - basically a system for uploading and rendering 3D models - in April. Now, however, they've improved their service with a system ...

1] 3D Viewer 3D Viewer is the default 3D file viewer app that you get in Windows 10. It lets you view 3D models of different formats such as STL, FBX, GLTF, OBJ, and other files.