I'm not looking for the basic "Press F". I need both meshes to be connected with a correct topology. Their edge positions are set up properly, it's just that a lot of the vertexes aren't actually connected to anything, like this:

enter image description here

Is there a way to quickly fix my oversight, or how would I go about fixing it the manual way?


Make 2 loop cuts on the vertical shaft (Ctrl+R), bring them close to the vertices of the horizontal shaft (as Julian points out in the comments, once you accept the position of a loop cut, you can still readjust by pressing G twice), when the vertices of the two shafts are nearly touching each other (green lines on the image), select all 8 vertices (you can do it easily in Wireframe mode, press Z then W) and press M then B (Merge by distance) - the vertices should now be connected.

Remember to remove the inner face (marked red) for proper shading - you can do it easily in Wireframe mode or by hiding one of the external faces first.

  • $\begingroup$ "bring it close to the vertices of the horizontal shaft" by edge sliding with [g+g]. $\endgroup$
    – julian.a
    May 15 at 9:22
  • $\begingroup$ If we're working with exact sizes, will this produce a slight distortion? How could I make sure the produced connection is exactly, say, 3x3m? $\endgroup$
    – Zimano
    May 15 at 19:03

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