(by AntonelloDN)
A basic plugin for Grasshopper to read and write shapefile.
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It is easy to use. Use it with other GH plugins such as Ladybug Tools, Gismo, TT Toolbox. Here is an example

For more info see Wiki page of the project: ShrimpGIS Wiki

Features v.1.0.2:

  • Transformation of points, surface/breps, curves, meshes into ESRI shapefile entities.
  • Discretization for curves and surface/breps.
  • Transformation of ESRI shapefile entities into points, surface/breps, curves.
  • Extraction of fields.
  • Write Esri ASCII Raster file.


  1. Download ShrimpGIS.
  2. Follow 'README.txt' instructions.


  • Custom external Python library with pyshp and utm

Limits v.1.0.2:

  • Rhino document has to be in meter
  • Only WGS84 (EPSG:4326) reference system is supported. I suggest you use a GIS software for reprojection (e.g. QGIS)

  • Shapefile read component supports following GIS types: POINT; POLYLINE; POLYGON; POINTZ; POLYLINEZ; POLYGONZ