As the name suggests, Open 3D Model Viewer is a dedicated free and open-source 3D file viewer for Windows 11/10. In it, you can visualize 3D models of formats including 3DS, OBJ, PLY, DAE, STL, etc.

To take Copilot 3D for a spin, browse to the Copilot 3D website and sign in with your Microsoft account. To get some inspiration, you can view the existing 3D models generated by other people.

If you’re interested in 3D printing or CNC milling — or really any kind of fabrication — then duplicating or interfacing with an existing part is probably on your to-do list. The … ...