MELDRA: add-on that welds, closes, and validates a mesh so that Decimate doesn't open holes and auto

Resources Released Add-ons and Extensions
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Meldra

Blender add-on that welds, closes, and validates a mesh so that Decimate doesn’t open holes and automatic weights for rigging work on the first try.

https://github.com/xanderdice/blender-plugins/blob/main/meldra-2.0.0.zip

It’s designed for what comes out of 3D AI generators and .glb / .obj importers: meshes that look solid but are actually thousands of loose triangles inside, because every corner of every face has its own unwelded vertex.

Meldra comes from meld—that’s exactly what it does.

How to use it

  1. Select the mesh and click Analyze Mesh.

  2. Check the report. Everything shown in red is a real issue.

  3. To see where the problem is, use the View the issue buttons—they switch to edit mode with those elements selected.

  4. Click Repair All.

  5. Verify that it says Mesh closed at the bottom.

  6. Now Decimate. And then, Rig.

    https://github.com/xanderdice/blender-plugins/blob/main/meldra-2.0.0.zip