How Can I Unjoin Meshes? I used Ctrl+J to join meshes, but now I want to take them apart. Is there a simple way?
If you can easily select the vertices that you want to separate, then in edit mode press P &gt; By Selection. You may also be able to use the By Material if the materials are different or By Loose Parts if the objects are not connected.
By Selection:

By Materials:

By Loose Parts: