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I have this object:

object

I want to make wall faces for all of its outer edges, but only on the top, so there should be no faces on the bottom of those edges.

outer edges

I have tried Loft and Bridge from LoopTools, and I also tried to select them all then press F, which obviously just makes a lot of faces connecting each edge to each other edge.

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    $\begingroup$ I am unsure what you are trying to achieve? Could you explain a bit more? $\endgroup$
    – AdamTM
    Commented Jan 17, 2018 at 14:54
  • $\begingroup$ @AdamTM Glenn van Acker has understood what I mean, so maybe you should the first part of his answer to understand. $\endgroup$
    – Tooniis
    Commented Jan 17, 2018 at 15:13

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if i understand correctly, you want this mesh on one side of a box shaped mesh? if so, you should extrude those edges over the Z-axis, then scale the resulting edges to 0 over the Z-axis, and make a face on those edges. shortcut to extrude over Z-axis: E->Z, followed by a value, or move with the mouse. then to scale : S-> Z-> 0 to make it flat. then press F with those edges selected, which will make a face. As you pointed out yourself, answering your own question, you could use checker deselect to select every other vertex, and dissolve them.

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  • $\begingroup$ This does make the faces I need, but they are split in half with an edge extruded from the middle vertex of each triangle, which is something I do not want. $\endgroup$
    – Tooniis
    Commented Jan 17, 2018 at 15:12
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    $\begingroup$ well then i don't think there's any simple method to do this. you should probably do it manually then. or make a plane beneath the object, and then make a face for each side. another method may be to bake a normal map for a simple box shape. $\endgroup$ Commented Jan 17, 2018 at 15:20
  • $\begingroup$ I will try checker deselecting selecting the result vertices then dissolving the once that are left selected. if the checker deselect actually keeps only the vertices that I don't want then it will be easy to remove them. $\endgroup$
    – Tooniis
    Commented Jan 17, 2018 at 15:33

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