Voxel Remesh (result Mesh has no faces)

I’m trying to remesh an OBJ that I’ve brought into Nomad. It has no holes, is a single object and is manifold. But when I go to Voxel Remesh I get a (result mesh has no faces) error or some random floating faces. Im never come across something like this before. I feel Like I’m missing something simple.

I Apologize if this topic already exists.

I would try lowering the multi resolution to 300 to start.

I have tried it either gives the same Error message or disappears. With a few floating faces. I’m fairly certain it has something to do with the model but I’m struggling on what it could be. This has been a tried and true workflow until now.

It can only be holes.
Voxel remesh requires the mesh to be watertight, Nomad will perform a hole-filling algorithm first, but it’s not 100% foolproof.

In the topology menu, you can try the “close hole” or “force manifold” button a few time.
If it doesn’t work try to see in your object where there’s a “leak” and simply use the move tool to cover it up.

I’ve tried “close holes” and force manifold in both Nomad and Rhino. No naked edges and No Non-Manifold edges. In Rhino I double checked if I had duplicate faces in the original surface model. No Luck.

shard.obj (1.1 MB)

shard.stl (360.2 KB)

I imported the file into Blender and ran the 3D print add on and loaded it into Prusa Slicer as well. Both are saying there are 3380 non-manifold Edges. I ran Make Manifold and parts vanish. I was able to run Quad Remesher and that looked ok.

Interesting. I wonder why Blender reads it differently than Rhino and Nomad

Could I ask if that was the obj or STL you were using?

I played also a little with the STL file - Nomad no chance to remesh I think.

This online service fixed the STL: Free online stl repair tool

Then remesh worked.

Thanks for the mesh.
So if you use “inflate& in the operation menu, you can see the “holes”,

Filling holes in Nomad won’t help here, the algorithm cannot “link/bridge” the disconnected parts like that, it simply fills simple holes.

I don’t think there is any solution in Nomad.
I’ll keep the file and maybe one day try to tweak the voxel remesh to maybe make it work.

Edit: mask your mesh and extract it with small thickness like 0.0001 and smoothness disabled. It will force watertight and that way Nomad won’t run any hole filling algorithm (which ironically makes it worst here). It’s very hacky though.

Both file types in Blender/Prusa Slicer. Same result.

Thanks! I found deflating the object .0001 allowed me to remesh without a problem. Thank you for your help!