TriRemesh problem with trimmed surfaces

[DanielPiker]

It’s only the casting to Brep that makes the difference there - it works the same if you delete the ShrinkFaces line.
This is the naming issue that caught me out:

[FEEDBACK] In Geometry Pipeline looks like missing the surface type option. How to soft reference or link all "surface" from a Rhino layer?

The nomenclature is not consistent I’m afraid. In Rhino: Surface = single face with or without trimming data Polysurface = two or more joined faces with or without trimming data. In Rhino SDK: Surface = single face without trimming data Brep = one or more faces with or without trimming data In Grasshopper: Surface = single face with or without trimming data Brep = one or more joined faces with or without trimming data. Basically, what Grasshopper calls a “surface” is just an SDK Brep …