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I'm somewhat new to Blender. I have a simple mesh that I used proportional editing on. Now I want to straighten out the outer four corner edges. (ie the selected vertices when the .blend file opens) I've seen some answers but can't get them to work. Thanks for any ideas to try.

Here's the copied link to the .blend file:

Thanks for any ideas.

edit: okay, thanks, here's a picture...wondering how to straighten out that line of vertices, thanks again for any ideas

edit: @Brian, Okay, so now my question is how to make it so, in this second image, these two selected vertices are on an axis? Then I can then select and scale the rest of the line of vertices and scale them to that axis. I don't know how to align these two vertices to any axis. Thanks.

(Well, forget that second image, not enough reputation to post two links, so the vertices I'm talking about are on the left side of the first image, the topmost vertice, and the fourth up from the bottom.)

@Jesse Can you get the line of vertices I refer to to line up in a straight line between the two vertices I'm referring to with this technique? I couldn't do it.

  • $\begingroup$ Hello and welcome, you did it right, and your file is welcome, but you shouldn't rely on it exclusively for diagnose purposes. Please post some images of what you have and what you want to achieve. $\endgroup$ – Duarte Farrajota Ramos Jul 16 '17 at 1:27
  • $\begingroup$ Okay, thanks, this one did work, but I was not able to select the added $\endgroup$ – frew Jul 16 '17 at 2:47
  • $\begingroup$ Okay, thanks, this one did work, Chebhou, at "Straighten edges not on axis" blender.stackexchange.com/questions/28063/… but I was not able to select the added edge, because it was so mingled in with the selected vertices. So I separated, the edge, moved it exactly y-1, then did the scaling, deleted the edge, and moved the selected vertices back exactly y+1. So a bit tedious to straighten out a line of vertices. Wondering if there's a simpler way. $\endgroup$ – frew Jul 16 '17 at 2:56
  • $\begingroup$ @frew - yes, there is, S, Y, 0 (zero). $\endgroup$ – bertmoog Jul 16 '17 at 4:00

If you want to align vertices into a straight line, select the ones of interest and scale them on the desired axis. Type in 0 and press Enter. This will set them all to the same median point on the axis, making a straight line.


I think the simplest way would be to scale them along the y axis with your pivot set to "median point".

Select the vertices like you've shown in the picture then press S and then Y. Scale the vertices in and they will perfectly align. You may need to repeat these steps once or twice. Make sure proportional editing is turned off during this process.

Good luck.

  • $\begingroup$ Could not get that to work here, but thanks for the idea. $\endgroup$ – frew Jul 16 '17 at 2:45
  • $\begingroup$ For reference I include this technique in this video by Gleb Alexandrov which shows another way to align vertices into a straight line, ie to straighten an edge line: youtu.be/3YteVJAvoYY?t=65 $\endgroup$ – frew Mar 14 at 1:53

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