You can create a partial ellipse (an elliptical arc) from a centerpoint, a start point, and an end point, similar to creating a centerpoint arc.
To create a partial ellipse:
-
In an open sketch, click Partial Ellipse
on the Sketch toolbar, or click .
The pointer changes to

.
- Click in the graphics area to place the center of the ellipse.
- Drag and click to define one axis of the ellipse.
- Drag and click to define the second axis.
The circumference guideline remains.
- Drag the pointer around the circumference to define the extent of the ellipse, then click to complete the ellipse.