Resizing an Ellipse

Select the ellipse.
If you created an ellipse for a sketch-based element, click the edit option to enter sketch mode. For example, if you created an elliptical floor, click Modify | Floors tabMode panel (Edit Boundary).
Optionally, on the Options Bar, select Modification keeps ratio.
This allows you to change the radii proportionally.

Resize the ellipse:

To resize using	then
temporary dimensions	click the temporary dimension for the axis radius you want to change, enter a new value in the text box, and press `Enter`.
controls	drag the controls to resize the major and minor axes. For a full ellipse, there are 4 controls (one for each quadrant). For a partial ellipse, there are also 4 controls (one for each quadrant). In addition, there are 2 controls at either end (one for each end of the partial ellipse). You can modify the shape of the ellipse (Drag line end option) or you can resize the axis (Drag axis end option). Place the cursor over the control and press `Tab` until the desired option displays in the status bar.

To resize using

then

temporary dimensions

click the temporary dimension for the axis radius you want to change, enter a new value in the text box, and press Enter.

controls

drag the controls to resize the major and minor axes.

For a full ellipse, there are 4 controls (one for each quadrant).

For a partial ellipse, there are also 4 controls (one for each quadrant). In addition, there are 2 controls at either end (one for each end of the partial ellipse). You can modify the shape of the ellipse (Drag line end option) or you can resize the axis (Drag axis end option). Place the cursor over the control and press Tab until the desired option displays in the status bar.

If necessary, click (Finish Edit Mode).