Autodesk Meshmixer is 3D CAD software using which you can edit an OBJ model in Windows 11/10. You can edit OBJ and some other 3D files using it, such as STL, AMF, PLY, 3MF, etc.

If you want to create a 3D model in STL format or edit an existing STL file in Windows 11/10, use these free STL editors.

After you complete the steps, you can start adding content to the storyboard to continue editing the project with various options, including text, duration, motion, 3D effects, and more.

The Remix 3D community is filling up with detailed models created by other Windows users, and you can tap into it to help with your own projects in Paint 3D.