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I want to apply the Remesh modifier to a 3D model but when doing so, the model disappears.

I have very limited experience using Blender and have been unable to find anyone describing a similar problem (except for 2D text).

A blender file which reproduces the problem: http://www.filedropper.com/remeshtest

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  • $\begingroup$ Have you tried unchecking "Remove disconnected faces" ? By default the remesh modifier only keeps one island $\endgroup$
    – Gorgious
    Mar 4, 2020 at 15:13
  • $\begingroup$ @Gorgious Thanks for the suggestion. I have tried that but it did not resolve the issue. $\endgroup$ Mar 4, 2020 at 15:16
  • $\begingroup$ You need to up the "Octree Depth" higher than 10 or 11 but you will end up with way more geometry than what you have now $\endgroup$
    – Gorgious
    Mar 4, 2020 at 15:28
  • $\begingroup$ @Gorgious You are right. Increasing Octree Depth fixes it. As you note, the number of mesh vertices is increased substantially which unfortunately defeats the purpose. $\endgroup$ Mar 4, 2020 at 15:37

2 Answers 2

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Remesh modifier needs mesh with volume to work properly . Flat meshes gives blank output as it cant compute the volume and mesh with holes produce a result with the holes filled.

also try instantMesh app github link might give usable results

If you want to remesh flat/surface/text objects then use solidify before remesh then delete the extra thickness after applying the modifiers

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  • $\begingroup$ This is not the issue in this instance since the mesh is not flat $\endgroup$ Mar 5, 2020 at 10:20
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As pointed out in comments: the model disappears because the default "Octree Depth" is too small in this particular instance. Increasing the Octree Depth sufficiently solves the problem.

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