# Create Grid Surface
WARNING
GSA-Grasshopper plugin is pre-release and under active development, including further testing to be undertaken. It is provided "as-is" and you bear the risk of using it. Future versions may contain breaking changes. Any files, results, or other types of output information created using the plugin should not be relied upon without thorough and independent checking.
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# Description
Create GSA Grid Surface
Note: This is a dropdown component and input/output may vary depending on the selected dropdown
# Input parameters
 | Generic | Grid Plane | Grid Plane. If no input, Global XY-plane will be used |
 | Integer | Grid Surface ID | Grid Surface ID. Setting this will replace any existing Grid Surfaces in model |
| Generic | Loadable Objects | Lists, Custom Materials, Properties, Elements or Members to which load should be expanded to (by default 'All'); either input Section, Prop2d, Prop3d, Element1d, Element2d, Member1d, Member2d or Member3d, or a text string. Element list should take the form: 1 11 to 20 step 2 P1 not (G1 to G6 step 3) P11 not (PA PB1 PS2 PM3 PA4 M1) Refer to help file for definition of lists and full vocabulary. |
 | Text | Name | Grid Surface Name |
| Generic | Tolerance in model units | Tolerance for Load Expansion (default 10mm) |
 | Number | Span Direction | Span Direction between -180 and 180 degrees |
# Output parameters
 | Grid Plane Surface | Grid Surface | GSA Grid Surface |