I have a 3D Y-Shape hollow tube, not so good surface.
I tried to use following vertex data plot and generate mesh.
pts = Import["tube02.vtk", "VertexData"]; Graphics3D[Point@pts]
Question: How to plot a smooth surface from vertex data and then generate tetrahedral or simple mesh? I was trying to use following thread to solve my problem: How to calculate volume of convex hull and volume of a 3D object and My donut has holes in it!.