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I have a round mesh plane that I'm trying to divide into three equally-sized and separate meshes. I made a cutting tool using three planes I joined together, which I'm trying to use to perform this operation. What workflow can I use to achieve the result I described?

Using Blender v2.82a.

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2 Answers 2

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You could just create a curve of type Sector with an angle of $120°$ and duplicate it.

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If you stick to your method you can join the 2 objects into one, go in Edit mode, select one of the 2 meshes and go into the Face panel > Intersect (Knife):

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Then remove the planes vertices, select the edges that it has created, press V to separate.

I guess there are plenty of methods to do what you want, you can also create a single edge and use the Spin tool, choose an Angle of 120°. After that duplicate and rotate 120°:

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Or you can start with a single edge and use the Screw modifier, then again duplicate and rotate 120°:

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Or you can create a 36 vertex circle, Fill Type > Triangle Fan, then select 3 edges and press V to separate:

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  • $\begingroup$ These are all really great solutions :) thanks for sharing! $\endgroup$ Commented Apr 17, 2022 at 17:22

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