![Some times, when working with extrude and weld tool to fix and cleaning the mesh, the mesh goes crazy when undoing. Why does this happen and how to avoid this? I have Some times, when working with extrude and weld tool to fix and cleaning the mesh, the mesh goes crazy when undoing. Why does this happen and how to avoid this? I have](https://i.redd.it/0dh6annet1571.png)
Some times, when working with extrude and weld tool to fix and cleaning the mesh, the mesh goes crazy when undoing. Why does this happen and how to avoid this? I have
![So I was just scaling some vertexes and this happened. When I press undo it doesn't go back it and remains broken. Still learning maya so thought it would be good to So I was just scaling some vertexes and this happened. When I press undo it doesn't go back it and remains broken. Still learning maya so thought it would be good to](https://preview.redd.it/jr3t62yvk4l91.jpg?auto=webp&s=e1dbb9c111a26241844fe7c07961dcbbaca39cdd)
So I was just scaling some vertexes and this happened. When I press undo it doesn't go back it and remains broken. Still learning maya so thought it would be good to
![Hello. I need help, I would like to extrude the edges of my mesh around a point on 180 degrees as we can do on the surface with Revolve. Thank you for Hello. I need help, I would like to extrude the edges of my mesh around a point on 180 degrees as we can do on the surface with Revolve. Thank you for](https://preview.redd.it/hello-i-need-help-i-would-like-to-extrude-the-edges-of-my-v0-152riar1enhb1.jpg?width=640&crop=smart&auto=webp&s=f87ceb7dcfc503e8ffa607fe2a7da33a71eabd0e)
Hello. I need help, I would like to extrude the edges of my mesh around a point on 180 degrees as we can do on the surface with Revolve. Thank you for
![Maya python script that converts triangulated mesh to quads from uv layout - Coding - Tech-Artists.Org Maya python script that converts triangulated mesh to quads from uv layout - Coding - Tech-Artists.Org](http://discourse.techart.online/uploads/default/original/2X/8/80f1abe310aa1549e95f9bf62cb1107504fcfbaa.png)
Maya python script that converts triangulated mesh to quads from uv layout - Coding - Tech-Artists.Org
![Quick question! How can I fix the pinch underneath "a" and not cause the pinch underneath "b", without smoothing the model to a really high amount of polygons before the extrusion? : Quick question! How can I fix the pinch underneath "a" and not cause the pinch underneath "b", without smoothing the model to a really high amount of polygons before the extrusion? :](https://preview.redd.it/bn6ge4kbgxa31.png?auto=webp&s=78fd399be30198d7dc0e82ac5b76e9311e8abebb)