At one side Bevel works perfectly, but with similar edge on the other side is a mess. The same problem with the other edges. Bevel goes flat, vertices run along the edges.

I have no doubled vertices. Recalculating Normals for all these vertices didn't help. I have no internal faces. There are edges between all these vertices. enter image description here enter image description here enter image description here enter image description here

  • $\begingroup$ Hello :). There is a known Bevel tool bug, that causes similar behavior. Would you mind sharing your .blend file, so others can take a closer look? $\endgroup$ Jan 29, 2020 at 16:48
  • $\begingroup$ May be your object has a non uniform scale. Try to apply the scale by pressing CTRL+A in Object Mode. $\endgroup$
    – FFeller
    Jan 29, 2020 at 17:02
  • $\begingroup$ @FFeller i've already done Ctrl+A to make even bevels. $\endgroup$
    – Plem
    Jan 29, 2020 at 18:18
  • $\begingroup$ @ᴊᴀᴄʜʏᴍᴍɪᴄʜᴀʟ I grouped normal and bugged vertecies. $\endgroup$
    – Plem
    Jan 29, 2020 at 18:49

1 Answer 1


It was caused by one flipped face.

The Bevel tool was confused, not knowing which way to go.
Recalculate Normals, so they're all pointing outwards.
Then the Bevel tool will work correctly.

Mesh > Normals > Recalculate Outside

enter image description here

  • 1
    $\begingroup$ You opened to me this beautiful Face Orientation checkbox. Can't say enough words to thank you) $\endgroup$
    – Plem
    Jan 29, 2020 at 20:14
  • $\begingroup$ Happy to help :). It saved me so many times from going mad. $\endgroup$ Jan 29, 2020 at 20:30

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