[HELP] Vertex toll bug thing

Sep 7, 2012
638
500
This isn't a bug. You're trying to move one of the vertices OFF the plane of the face, which is an impossible thing to do.you're going to need to split the brush in two by the diagonal, so that you can move the vertices to where you want them.
 

wareya

L420: High Member
Jun 17, 2012
493
191
The problem is that you're trying to make a face into something other than a flat plane.

Brushes in hammer work like having a set of planes where the only practical (non-texture) information is their angles and position, and then the brush's solid volume is defined by the shape inside of all of them. So, every face needs to be flat, and they can only make a convex structure.

What you're trying to do is take a face and make it something other than a flat plane, which is plain impossible. You probably want to use a displacement or cut your brush up some more.
 
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