# Surface Tangent

## <img src="/files/ilRsPCz5BnsVgQVMpgWI" alt="" data-size="line"> Surface Tangent

The SetSurfaceTangent command sets an untrimmed surface edge tangent direction.

**Steps**

1. Select an untrimmed surface edge.
2. Pick the base point for tangent direction.
3. Pick the second direction point.

For more information, please refer to the [Rhino documentation](https://docs.mcneel.com/rhino/8/help/en-us/commands/setsurfacetangent.htm#\(null\)).


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