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For example, I have a hollow cubic sphere like this:

a one-piece sphere

A problem is to split it by all its faces like this:

a sphere with a piece torn off

The way I have done this one is an application the P > Selection to an outer face and an appropriate inner one. Then I just have connected appropriate edges to get that little piece. But this way is not really practical since I have to iterate over each face of the sphere manually.

Is there a way to get the result automatically?

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    $\begingroup$ @vklidu, I agree. His answer is good and faster than mine... $\endgroup$ – lemon Sep 29 at 19:25
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    $\begingroup$ @JachymMichal any reason you ignore us? Seems to be personal now :) I agree with lemon, your answer was faster. I dont have a clue what is going on here, sorry. Split Face by Edge was a new for me and seems to be as less clicks. So why? Thanks for info. $\endgroup$ – vklidu Sep 30 at 19:34
  • $\begingroup$ Hey @vklidu :). Sorry, didn't get any notifications. I deleted the answer because it didn't add very much. Just wanted to keep the site nice and tidy :). $\endgroup$ – Jachym Michal Oct 3 at 11:41
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    $\begingroup$ @JachymMichal Thanks for info :) I was thinking what was wrong with my comment. OK, still seems to me meaningful version. If you change mind (to bing it back), let me know I will delete it. $\endgroup$ – vklidu Oct 3 at 12:10
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    $\begingroup$ Nah, I like your polished version better :). Teamwork, right? $\endgroup$ – Jachym Michal Oct 3 at 12:13
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Here is JachymMichal's (deleted) a bit polished answer.
With all vertices selected:

  • press ⎇ Alt+M Split > Face by Edges
  • press E (Extrude) S (Scale)
  • press P (Separate) by Loose Parts

enter image description here

Scale works for centric objects like a cube or sphere.

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You can:

  • AltE then "individual faces"
  • Don't move the extrusion just validate it
  • Invert the selection CtrlI to select the base vertices
  • X delete vertices
  • A to select
  • E to extrude
  • Again don't move the extrusion just validate it
  • S to scale
  • P to separate by loose parts

enter image description here

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    $\begingroup$ @JachymMichal, no its ok. But effectively split>Faces by edges (that I did not know) is quicker. $\endgroup$ – lemon Sep 29 at 12:39
  • $\begingroup$ @JachymMichal why have you deleted your answer? Should work, no? $\endgroup$ – lemon Sep 29 at 17:49
  • $\begingroup$ Hey :). Sorry, didn't get any notifications. I deleted the answer because it didn't add very much. Just wanted to keep the site nice and tidy :). $\endgroup$ – Jachym Michal Oct 3 at 11:40

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