This question burns in me for some time ;-)

I am getting a lot of "impossible quads" and in the vid I see, you do get them too. I thought that is not good, what are you gonna do about it, or does it not matter because of the subsurf ?

  • Jonathan Lampel replied

    Hey Tanaka, like broken quads? Subdiv can take care of some of that, and also keep in mind that Blender's viewport AO exaggerates how broken they are. Feel free to post a screenshot of that area if you find it concerning! 

  • itmuckel replied

    I think impossible quads are displayed as quads, but bent so hard that they cannot be quads anymore, but are two triangles behind the scenes: