# Corners

## <img src="/files/4Fmx5dV2KVBgGKy2aiAj" alt="" data-size="line"> Corners

The SrfPt command draws a surface from specified corner points.

### Steps

1. [Pick](https://docs.mcneel.com/rhino/8/help/en-us/popup_actions/pick_location.htm) the first corner.
2. Pick the second corner.
3. Pick the third corner.
4. Pick the fourth corner.\
   Or press [Enter](https://docs.mcneel.com/rhino/8/help/en-us/popup_actions/enter_key.htm) to create a triangular surface.
5. Use different construction planes or [elevator mode](https://docs.mcneel.com/rhino/8/help/en-us/user_interface/accurate_modeling.htm#Elevator_mode) to draw a non-planar surface.

To watch the video example, please refer to the [Rhino documentation](https://docs.mcneel.com/rhino/8/help/en-us/commands/srfpt.htm).


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.rhinoartisan.com/commands/surface/corners.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
