# Alphacam Basics – Polygon – lesson 9

## Special geometries – Polygon in Alphacam

Now we come to the **Special Geometries**. These are functions which allows you create few specific shapes.

The first one is the **Polygon**.

Using this option we can draw a **polygon** by giving the number of sides and the diameter of the circle that describes the **polygon**.

This circle can be **Inside** or **Outside** of the **polygon**.

Eg.

Now click **OK** and specify the center of the **polygon**. You can click in any place on the Alphacam workspace or enter the coordinates. Eg. Type **X0Y0**.

And you will get:

**Please see the video on YouTube!**