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I have this mesh of a ridge that I originally made by simply using the knife tool across a plane. This left me with a very disproportionate amount of vertices in the y-axis.

As I currently understand it, the shading artifacts that I've highlighted below are due to bad topology and ideally I want quads (or triangles) on the top and bottom planes as well.

Is there any tool in blender that can speed this up. I mean, I could walk through each vertex and add the edges by hand, that's not too much work but I was hoping that there's a tool that can actually do this, since what I want here is exactly one additional edge per vertex on the upper and lower plane.

Triangulation issues

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You need to fill the faces with quads or triangles, or remove the smooth shading on the nogons.

You can try (CtrlT) then (AltJ), to fill it with quads, as a quick fix.

A better method would be to repair your modeling.

enter image description here

  1. Delete the vertices on the ends of your N-gons:
    enter image description here
  2. Select one of the edge loops at the bottom or top.
    enter image description here
  3. Extrude the vertices out(EX y or Z)
    enter image description here
  4. scale them to zero along the axis that you extruded them out(SX y or Z0).

    enter image description here
  5. Do the same for the bottom vertices.
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  • $\begingroup$ That will do, though I was hoping for something to basically connect the vertices from one edge to another. $\endgroup$
    – John Leidegren
    Commented Aug 2, 2014 at 15:19
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    $\begingroup$ See edit my edit. $\endgroup$
    – GiantCowFilms
    Commented Aug 2, 2014 at 15:20
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If you don't want vertex normals to blend you can use sharp edges or enable auto-smooth in the mesh normals panel (which works in the view-port with version 2.71).

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If these surfaces are planar you might set their shading to flat shading.

Else:

  • Press CTRLT to automatically triangulate the polygons
  • Use the Triangulate modifier to non-destructively triangulate the mesh.
  • Select vertex pairs of the polygons and press J to join/connect them.
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