So, I'm following this tutorial on YT, and got stuck when trying to add loop cuts inside a circle. What I've done is adding a circle, in Edit mode extruded it inward and merged at centre. Then I need to add circle loop cuts inside this big circle, but the loop cut tool only creates dots. I've tried the inset tool, but it didn't do anything, switching to face mode also didn't help. Also tried to subdivide the mesh, no result.my mesh

that's what ctrl+r does

what I' trying to achieve I'm running a Blender 3.2.0 version on Windows 10. If you could help me with this issue, I'd be very grateful, becuse I'm a newbie and such problems are still a bit tricky for me to solve on my own.

  • $\begingroup$ As long as you only have the circle on the outside connected to the center vertex, the Loop Cut tool will not work as you expect it because it needs quads, whereas each face in your geometry is a triangle. That's why you need to inset it first before you try do a loop cut. If insetting doesn't work with your mesh, then there is something wrong, perhaps double vertices because of incorrect extruding or twice or whatever, without the blend file it's hard to guess. $\endgroup$ Jul 11, 2022 at 7:21
  • $\begingroup$ Insetting is not what they do in the tutorial. Easiest thing would be to simply do it again from scratch (it's not that many steps). Add a circle, E to extrude and directly press S to scale it down. Then left-click or Enter to confirm the scaled down circle. With the new vertices selected, hit E again and directly right-click to abort the extrude, with the vertices still selected hit M > Merge > At Center. Now you can loop cut the rest. $\endgroup$ Jul 11, 2022 at 7:26
  • $\begingroup$ Oh, for the Inset tool not working: did you use it correctly? You are working in Vertex Select mode as the screenshot shows, have you only selected the outer circle vertices? Because insetting works on faces, not vertices - so you have to select the center vertex as well in order to have all faces selected. Then the Inset tool should work or as I commented above, there is something else wrong with your mesh which cannot be easily determined by the screenshot. $\endgroup$ Jul 11, 2022 at 7:32
  • $\begingroup$ Rewatching the tutorial did really help, I just had to click E one more time before merging the triangles. Thanks for your help! $\endgroup$ Jul 13, 2022 at 6:58
  • $\begingroup$ Sorry, no offense - it's just normal that beginners sometimes don't notice everything that's said and done in a tutorial, so rewatching does help a lot. Of course there are also bad tutorials out there or some that say "for beginners" but lack explaining well or thoroughly enough for beginners to follow. $\endgroup$ Jul 13, 2022 at 7:02

1 Answer 1


CtrlR loop-cut and slide navigates its way through a mesh by following quad face-rings.(You can think of it as walking between railway-tracks, and cutting through the sleepers). As it stands, your circle is a fan of triangles. No quads, nowhere to go.

You can fix that by CtrlShiftB bevelling the central vertex with one segment. Now your circle is a face-ring of quads around a central n-gon, and CtrlR will work.

  • $\begingroup$ Or just following the tutorial would work, too ;) $\endgroup$ Jul 11, 2022 at 7:29
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    $\begingroup$ @GordonBrinkmann oops, I didn't bother :) The general point is not a bad one to make. $\endgroup$
    – Robin Betts
    Jul 11, 2022 at 7:31
  • $\begingroup$ Yeah, unfortunately it's quite often that people do not follow tutorials accurately enough. And I sometimes see it in answers here, although a solution is given, in some cases if it's different from the way in the tutorial it might make problems in further steps. And I think it's inept not pointing people to where the error was in the first place. But that's just me :) $\endgroup$ Jul 11, 2022 at 7:42
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    $\begingroup$ @GordonBrinkmann Fair enough. I should have watched it to be sure. I will consider my wrist to have been gently slapped :D. $\endgroup$
    – Robin Betts
    Jul 11, 2022 at 7:45
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    $\begingroup$ @Gordon I just have watched it. II's a very nicely paced and thought out toot! :) $\endgroup$
    – Robin Betts
    Jul 11, 2022 at 8:00

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