If you have some n-gon face, how to connect all the vertices so that you get all diagonals?

EDIT: n must be larger than 3.

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    $\begingroup$ Do you mean triangles? Can you illustrate what it is that you are after? $\endgroup$ – user1853 Mar 28 '16 at 5:57
  • $\begingroup$ @cegaton , it can't be triangle because triangle does not have diagonals. I was asking how to get all diagonals in general n-gon. I assumed n>3. $\endgroup$ – vejn Mar 28 '16 at 11:05
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    $\begingroup$ what do you mean by "diagonals"? $\endgroup$ – David Mar 28 '16 at 21:32

If you have an n-gon face, then you can get a triangulated representation of that face using the following method (Bridge Edge Loops):

  1. Select the object with this n-gon face.

  2. Go into edit mode (Tab).

  3. Go into Face Select mode.

  4. Select the n-gon face.

  5. X >> Only Faces.

  6. Go into Edge Select mode.

  7. Select the edges that make up the perimeter of the original n-gon.

  8. Visually De-Select two opposing edges.

  9. W >> E.

Bridge Edge Loops

After getting more feedback from the comments, Is this more along the lines of what you are after?:

Diagonal Hatch Layout

Getting The Projected Geometry

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  • $\begingroup$ This are not all diagonals, right ? Is there a way that you could do that in one click ? $\endgroup$ – vejn Mar 28 '16 at 10:46

Try selecting the ngon face in edit mode and pressing Alt + P > Poke faces

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