io_mesh_vtk is an small add-on for Blender 2.80 for importing and exporting surface mesh polygon data (polydata) in VTK (Visualization ToolKit) file format used widely in scientific computation applications.
Currently supported features include
- ASCII legacy VTK file export (VTK polydata support only, no unstructured grids)
- Exports mesh (points and faces) and vertex colors as VTK color scalars
- Import supports currently only one set of color scalars
If you need more functionality for this add-on, please express you wishes on Github issues page or discuss at Blender Artists thread.