In this Grasshopper Pufferfish example file you can learn how to generate the isolines of a mesh by cutting it with a plane.
SubD add crease tool pointed part (shaded) & wavy isolines
Mesh trim/split in Rhino Easiest method!
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Implicit domain meshing – Mmg Platform
Grasshopper Pufferfish
Grasshopper Pufferfish
How to remove line inside the solid object / How to Transparent
A 2-level octree-based h-AMR for the 2-hole Bretzel-shaped model
SubD add crease tool pointed part (shaded) & wavy isolines
Parametric House (@parametrichouse) • Instagram photos and videos
Isolines of the tracer field in the advection through a Stommel
Parametric House
The effect of different mesh types
FEM PostFilterContours - FreeCAD Documentation
Parametric House (@parametrichouse) • Instagram photos and videos