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I have a sphere made of 512*256 faces. I'd like to be able to cut the sphere so that only a thin ring remains. I attach a picture of the objective, I have manually selected a portion of this ring, the problem is that the sphere is so dense that selecting the faces at the poles is difficult. My objective is to select only the faces that touch the meridian, so that the ring actually becomes thinner at the poles. Any suggestion on the workflow? I thought I could add a plane and then select the faces that touch this plane, but I have no idea how.

enter image description here

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  • $\begingroup$ Hello :). Alt + Left click should work just fine for this. It selects a face loop from top to bottom. $\endgroup$ – Jachym Michal Mar 24 '20 at 22:28
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    $\begingroup$ That did it! thanks! $\endgroup$ – James Biffi Mar 24 '20 at 22:38
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Go into front view 1 on numpad, go into wireframe mode tab and press B. Then you can select all of the faces you want. With the faces selected, press P and Separate by selection.

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  • $\begingroup$ With this method the selection would not become thinner at the poles, the loop method is still better. Thanks anyways. $\endgroup$ – James Biffi Mar 25 '20 at 9:54
  • $\begingroup$ It does the same, however instead of selecting loops you select it by yourself. It works exactly the same way. :-) $\endgroup$ – Drax Mar 25 '20 at 9:59

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