I want to make a like this picture, using the NGON plug-in to make hexagonal lines on the surface of the mesh曲面六边形.gh (6.0 KB)
曲面六边形.3dm (2.5 MB)
The Icon of NGon is created from dual of remeshed triangle mesh.
For such geometries use @DanielPiker TriMesh to remesh the geometry and create dual.
You can use NGon dual component to convert triangles to dual mesh.
Sample.gh (19.6 KB)
The ‘Dual’ output of TriRemesh also outputs a dual mesh with similar area polygons directly
triremesh_dolphin.gh (361.2 KB)
Why is there no triremesh in my grasshpper plugin
Which version of Rhino are you using?
You need to update to a more current service release then it will show up
thank you very more for Daniel Piker help