The problem is that the circle is distorted during Turbo Smooth.

juniwini

i'm working on a high polygon assignment. there is an unresolved problem
before digging the hole

after digging the hole


This can be solved by adding a line horizontally, but then the circle becomes distorted. I don't know how to make a wireframe

Eric Chadwick

I think you just need a couple support loops on either side of the inset.

Neox

duplicate post, also solved here:

https://polycount.com/discussion/comment/2790736/#Comment_2790736