I've created a mesh and I want to create a ribbed side on it. I want it to look like this (colored side): Result The only way I've found is to select every odd/even vertex, drag them down and merge them. But it's too long to select odd vertexes, so is there another way to create that "triangular faces" (sorry, I don't know how to call it right)?

  • $\begingroup$ Does this answer your question? How to make all polygons into triangles $\endgroup$
    – Emir
    Apr 1, 2022 at 14:50
  • $\begingroup$ @Emir, unfortunately, no. In that case I still need to select triangles that I don't need and delete them. $\endgroup$ Apr 1, 2022 at 15:53

1 Answer 1


An easy way to get around the tedious "select every other vertex" is to use Checker deselect.

enter image description here

You find it in the select menu. You can even select 2, then skip 1 or select 1 and skip 3 etc.

enter image description here After you have the selection, move the vertices and merge them or whatever.

enter image description here

  • 1
    $\begingroup$ Cool! Checker deselect is the thing I need. Thank you! $\endgroup$ Apr 1, 2022 at 15:54

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