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I need help on how to keep the edges of this squar hole sharp please. If I use the edge loop method, yes it keeps the edges shard but causes pinching at the same time. As for edge split method, it just causes the hole to be a sharp rounded square. Any advice?

Using Edge Loops that cause pinching in the mesh

screenshot-2

Mr Zak
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user45858
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    possible duplicate of: https://blender.stackexchange.com/questions/6425/keep-sharp-edges-when-using-subdivision-surface/6426#6426 or https://blender.stackexchange.com/questions/63770/subsurf-modifier-rounding-sharp-edges or https://blender.stackexchange.com/questions/734/how-to-smooth-shade-an-object-while-retaining-hard-edges or https://blender.stackexchange.com/questions/42264/how-to-get-hard-edges-when-using-subsurf-modifier/42267#42267 –  Sep 12 '17 at 14:11

1 Answers1

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You can try using Edge Crease by pressing Shift + E after selecting the edges around and inside the hole.

Make sure you select all of these edges for the desired result.

enter image description here

I added an Edge Split modifier at the end to get rid of the smooth shading artifacts.

Hope this helps!

Jun
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