Hi!
I am trying to relax this drape but the length line goal is crashing it. What could be the cause? It´s not about the number of goals, is it?
Drape.gh (68.4 KB)
The mesh welder tool from Nautilus doesn’t work well here,
I have done a new tool but it doesn’t work better.
I tried to play with other tool like Ngon Welder and playing with tolerance
but the mesh is kind of a mess.
I tried to repair it in Rhino there, so indeed no need of welder.
Look at naked edges or vertices they are a good indicator.
Drape LD.gh (1.3 MB)
But I don’t understand what you want to do exactly.
PS !with a tolerance of 0.04 and new Nautilus Welder or Ngon it seems that welding is better.
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Thank you both. I didn´t think the mesh was bad to start with. No component before the solver showed that the mesh is invalid so I assumed it´s something in the solver. Thanks 
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It might not necessarily be an invalid or bad mesh but I think edge lengths below the solver tolerance could cause issues…
Your mesh has a shortest edge length of 0.0008something if I remember correctly
It looks like the input mesh has some problems even before the start of this definition
I think in general figuring out the cause of issues like this will be better than using the bad geometry and fixing it later in the process.
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@DanielPiker surely that would be the thing to do…
@laurent_delrieu Combine and Clean and then Align Vertices with 0.001:
