Ellipse
Operation Entrance:
Top menu - Place - Ellipse
Shortcut key: Alt + E
The center is determined by the left mouse button for the first time, and the current ellipse drawing is ended by the left mouse button for the second time, entering the drawing of the next ellipse.
Drawing a perfect circle is supported by holding the Shift key.
After selection, the style can be modified in the attributes on the right side.
Drag the control points to adjust the size of the ellipse. Holding down the Shift key while dragging will keep the aspect ratio the same while adjusting the size.