When I apply the "Solidify" modifier to my object, this one window I have acts differently then all of the others. They all look okay, but this one gets messed up by the modifier.

Here are 2 angles of the messed up part of the mesh with the solidify modifier:

Broken Mesh Broken Mesh 2nd angle

Here is the mesh without the solidify modifier:

working mesh

And here are my Solidify Modifier settings:

Solidify Modifier Settings

I got the window pains by extruding the edges out. I have already tried removing overlapping vertices and the scale is applied. Can anyone help me?

  • 3
    $\begingroup$ I think your normals aren't facing in the same direction. $\endgroup$
    – Ron Jensen
    Sep 7, 2020 at 1:01
  • $\begingroup$ Thanks! this worked. $\endgroup$
    – UberRix
    Sep 7, 2020 at 1:32

1 Answer 1


You are trying to solidify a fairly complex shape that requires you to change the Mode from Simple to Complex in the modifier's panel.


  • $\begingroup$ Thank you so much. After I change it to Complex, are there any settings I need to mess with? $\endgroup$
    – UberRix
    Sep 7, 2020 at 16:54
  • $\begingroup$ You are welcome. For your kind of shape I suggest "Thickness Mode = Even", the rest I think you can safely keep as it is. Cheers! $\endgroup$ Sep 7, 2020 at 17:03
  • $\begingroup$ Also offset to zero, probably. $\endgroup$
    – lemon
    Sep 8, 2020 at 8:46

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