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I currently have a mesh of a building (it has a texture). Initially it was a solid; however, I sliced off the top to remove noise in MeshLab. Now I have a mesh that's really only an outline. Any ideas how to fill it? I tried ALTF, but that didn't go very well.

An alternative hack would be to have a plane of the same shape, filled with a colour, and put inside (not sure how to do this either).

Thanks! Below is a screenshot of the mesh to show you what I mean.

Example

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  • $\begingroup$ For such a complex hole, you wont be able to fill this in one step (with useful results). First try create an ngon, then join edges across logical creases in the shape. $\endgroup$
    – ideasman42
    May 5, 2014 at 21:27

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Depending on the topology of the mesh, you could try:

  • Grid fill (CtrlF> Grid fill).

    enter image description here

  • AltF to fill, then AltJ to try and remove unnecessary triangles.

    enter image description here

  • Simply filling with an N-gon (F).

    enter image description here

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  • $\begingroup$ Tried all 3. First two had poor results, with the colour coming through the mesh and texture. The last one was almost perfect, but came out like this: puu.sh/8AAa3/8192211433.png $\endgroup$
    – Alex Gurr
    May 5, 2014 at 19:48
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    $\begingroup$ @user2976601 Make sure you only have the top edge loop selected (hold Alt while selecting an edge with RMB to select the entire edge loop). $\endgroup$
    – gandalf3 ♦
    May 5, 2014 at 20:07
  • $\begingroup$ You sir, are a god amongst men. The ALT+F and ALT+J method worked. Had to hold SHIFT and ALT and select multiple top edges (didn't pick up the whole thing in one click) THANKS! PS. Gifs were extremely useful. $\endgroup$
    – Alex Gurr
    May 5, 2014 at 20:31
  • $\begingroup$ Any ideas how to change the fill colour? $\endgroup$
    – Alex Gurr
    May 5, 2014 at 20:52
  • $\begingroup$ @user2976601 You'll have to create another material or edit the texture/UV mapping. See blender.stackexchange.com/q/4871/599 $\endgroup$
    – gandalf3 ♦
    May 5, 2014 at 21:08

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