Disable 3D in the editor

Since Threadbare doesn't use 3D at all, it is useful to hide the 3D tab from the editor to reduce confusion.

To do it, open the menu: "Editor → Manage Editor Features…":

Then create a profile (if you haven't done it before) and untick the "3D Editor" feature:

Now 3D is gone from the main editor tabs:

In this case I have also the Assetlib tab hidden, but you don't have to!