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enter image description here

I'm trying to use the ⌥ Alt + ⇧ Shift + S function to turn a selection of mesh into a circle so that I can cut a circular hole in an object. The right side of the image is what it's supposed to look like, and the one on the left is what I get with the object I'm trying to model, ignoring the clipping, it comes out elongated. I think it's because the object is rectangular but I don't know to work around that. Does anyone know how I can solve this problem?

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  • $\begingroup$ I think it`s best if you scale the faces and move them on the z-axis instead of using a tool that works best for 3D objects $\endgroup$
    – Ribbit12
    Nov 10 '21 at 13:29
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    $\begingroup$ if it doesn't work you can still use LoopTools > Circle $\endgroup$
    – moonboots
    Nov 10 '21 at 13:38
  • $\begingroup$ As moonboots said enable the ' loop tools ' addon in the preferences, select the faces you want to turn into a circle, right-click and you can find the 'loop tools', hover over it and press 'circle'. $\endgroup$
    – Ribbit12
    Nov 10 '21 at 13:43
  • $\begingroup$ Managed to get it to work with Loop tools. Thanks a ton for the help guys! $\endgroup$ Nov 10 '21 at 13:49
  • $\begingroup$ your welcome hammoud :) $\endgroup$
    – Ribbit12
    Nov 10 '21 at 13:59
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The problem it looks like this is that you've scaled your model in Object Mode instead of Edit Mode, which means the scale is not uniform on all axes. In this case, Alt+Shift+S stretches the circle according to the stretched scale.

To make it work, apply the scale in Object Mode by pressing Ctrl+A > Apply > Scale.

By the way: I'm not sure how you managed to do it with the Loop Tools, because (at least in my Blender) you'll get the same result no matter which method you use, as long as the scale is not applied.

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    $\begingroup$ I Applied the scales and now it works perfectly. the loop tools worked for me probably because i used them on a mesh scaled with edit mode. now my problems is 100% solved, thanks for your help! $\endgroup$ Nov 10 '21 at 14:29

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