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this I want to create this picture, except going on for the entire plane, and just the geometry, not with multiple shapes. Is there a way to do this? (not with the going over lines)

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  • $\begingroup$ Hello :). Do you mean a triangulated plane or a texture? What have you tried so far? $\endgroup$
    – jachym michal
    Commented Mar 24, 2021 at 21:28
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    $\begingroup$ I meant the geometry of the plane, so if I moved a vert and had proportional editing on, the surface would be a lot of triangles like a hill $\endgroup$
    – Clobro
    Commented Mar 24, 2021 at 21:33
  • $\begingroup$ Perhaps related: How do I stack triangles into a bigger triangle with array modifier? $\endgroup$
    – jachym michal
    Commented Mar 24, 2021 at 21:41
  • $\begingroup$ no, like the triangles are in the plane without anything changing $\endgroup$
    – Clobro
    Commented Mar 24, 2021 at 21:56

2 Answers 2

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Just to add to Markus von Broady's answer:

  1. Shear the result by -0,5
  2. Scale by √75 (0,8660254...)
  3. Done

Tadaa...

enter image description here

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  • $\begingroup$ wait but its not equilateral help! $\endgroup$
    – Clobro
    Commented Mar 24, 2021 at 22:42
  • $\begingroup$ imgur.com/a/sIGZqaz $\endgroup$
    – Clobro
    Commented Mar 24, 2021 at 22:44
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    $\begingroup$ Or you could rotate an edge 60°, make a face and subdivide that :) i.imgur.com/JHHxkpW.gif $\endgroup$
    – Markus von Broady
    Commented Mar 24, 2021 at 23:31
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    $\begingroup$ @Markus Now that's just stupidly simple. Or add a circle with 3 sides. Aaargh... :D $\endgroup$
    – jachym michal
    Commented Mar 24, 2021 at 23:34
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    $\begingroup$ Instead of typing 0.8660254 into the y-scale filed, just type sqrt(0.75). Blender will evaluate simple Python expressions like that for you :) $\endgroup$
    – maddin45
    Commented Mar 25, 2021 at 12:05
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The fastest way I can think of is to divide a plane into 2 triangles first (e.g. select opposite corner vertices and press J), then select both and subdivide.

You can also use Subdivision Surface + Triangulate modifiers:

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    $\begingroup$ This is probably the closest you will get to triangles. In the picture you shared, a square is impossible, so it will never fit the mesh right. $\endgroup$
    – Relevred
    Commented Mar 24, 2021 at 21:47
  • $\begingroup$ What about a hexagon plane? $\endgroup$
    – Clobro
    Commented Mar 24, 2021 at 21:57
  • $\begingroup$ @Clobro I don't have time for a full answer but: add a circle with 6 sides, in edit mode, extrude but don't move vertices. scale to 0 and weld, you now have one hexagon. Use the array modifier to make as many as you need. $\endgroup$
    – Ron Jensen
    Commented Mar 24, 2021 at 22:07
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    $\begingroup$ "poke faces" :) $\endgroup$
    – Allen Simpson
    Commented Mar 24, 2021 at 22:56

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