# Circle Spline

<div align="left"><img src="/files/-MhI_kYCAaaD_mQC9pdu" alt=""></div>

This tool will draw a circle or ellipse spline. Select the Circle Spline tool on the left toolbar.

1. Click and hold your left mouse button for the first point.
2. Move your mouse to extend the circle.
3. Release the mouse button to create the spline.

Hold <mark style="color:blue;">**CTRL**</mark> to keep the center on the first position you have clicked.\
Hold <mark style="color:blue;">**SHIFT**</mark> to lock Radius X and Y to create a perfect circle.

## **Circle Spline Properties**

| Ellipse         | Sets & locks Radius and RadiusY at the same value. |
| --------------- | -------------------------------------------------- |
| Min / Max Angle | Defines the start and end angle of the circle.     |
| Point Count     | Amount of interpolation points.                    |
| Radius          | Horizontal Radius.                                 |
| RadiusY         | Vertical Radius.                                   |


---

# 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://help.depence.com/depence-construction/depence-splines/depence-circle-spline.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.