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I have an imported model (which actually is a surface projection of an microscope Z-stack image, exported as STL) which is extremely grainy, composed of almost 1M verts. Is there any way to reduce number of verts/faces and smooth it to recover the general cell shape? I tried smooth and remesh modifiers, but it didn't help a lot :( Thanks for any ideas! Art.

enter image description here

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    $\begingroup$ Use MeshLab for this kind of work. It's free. Blender is not the right tool. $\endgroup$ Jul 22, 2016 at 8:45
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    $\begingroup$ try the decimate modifier $\endgroup$
    – user1853
    Jul 23, 2016 at 18:58
  • $\begingroup$ I would try to export a less detailed model to begin with - might be much easier this way $\endgroup$ Dec 15, 2018 at 1:02
  • $\begingroup$ Try shrink wrapping a simpler geometry to the object. $\endgroup$
    – Ed Tate
    Oct 5, 2019 at 7:58

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Try scaling it on the Z axis to 0 in edit mode to get rid of all the bumps if thats what you are asking. Scaled to zero in edit mode

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    $\begingroup$ Note that this will not minimize amount of geometry and resources required to handle with it, rather create quite a bit of overlapping faces even in your example and a horrible mess of overlaps in the OP's example. $\endgroup$
    – Mr Zak
    Dec 14, 2018 at 23:30

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