Subdividing after filling holes

Hello, new here

I’m working on a photogrammetry scan, after clean up on some noise around the object I was left with holes that I then I filled (closed). The faces in that area are simple triangles which I can’t seem to subdivide to sculpt on there again. It’s a large model so every time I apply an unnecessary modifier blender just hangs in calculations… is there a way to select just that area of large triangles and split them to a finer mesh without applying on the whole mesh?

Hello,
you could try a multi-res modifier with vertexgroups or a geometry nodes script (with selections or vertexgroups). A screenshot from the mesh, also from the modifiers would be nice.

sure!
this is after I selected non manifolds and “f” to fill the holes near the bottom

and I want to sculpt on those areas I closed but I belive I need to subdivide/remesh/? them somehow - if I select those large triangle faces at the bottom or where the holes were I can’t subdivide them

you need to remesh.
either add a remesh modifier(and apply it before sculpting), or go to sculpt mode and remesh from there.

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You can also go to sculptmode and use dyntopo. ( eg with the simplify brush )

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Thank you all, this is what I was looking for - a local solution that can be applied with a brush so I don’t need to apply on the whole mesh - sculpt-simplify with dyntopo did the trick

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