I am trying to create an arch. I followed the instructions from 2:49 time at How to use Array to build an arch - Blender 2.8 Tutorial and got it to work, but then after that, it failed to work again producing an S shape rather than a curve.

It is quite frustrating. I've been doing it over and over and am unable to figure out how I am mucking it up. The answer provided on this site for how-to-use-bridge-edge-loop-to-create-arch did not seem to apply to my issue.

The most aggravating thing is that I can make it work once in a while but not consistently, so it's got to be something simple.

Thanks in advance!


1 Answer 1


Edit: This is now a confirmed bug: Bridge Edge Loops operation has inconsistent results

You need to duplicate the objects in Object Mode and join them.
Duplicating them in Edit Mode gives weird results.

Duplicated in Object mode and joined. Works as expected.

enter image description here

Duplicated in Edit Mode. Gives weird results.

enter image description here

  • 2
    $\begingroup$ Hi. Do you know the "why"? I mean if you compare indices (vert, edges) they are the same in both cases (if i'm correct). $\endgroup$
    – lemon
    Commented Mar 29, 2020 at 9:07
  • 1
    $\begingroup$ I have absolutely no idea. Indices were also my first guess. Now I'm out of ideas... :) $\endgroup$ Commented Mar 29, 2020 at 9:09
  • 1
    $\begingroup$ I reported it as a bug, perhaps the mighty developers will find out what's causing it :). $\endgroup$ Commented Mar 29, 2020 at 10:02
  • $\begingroup$ Thank you for clearing that up! $\endgroup$
    – J L Lacy
    Commented Mar 29, 2020 at 19:03
  • $\begingroup$ Might be that the second face's normal is facing the opposite way for some reason $\endgroup$
    – Gorgious
    Commented Mar 29, 2020 at 20:01

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