Ellipse Elliptical Arc Fixed Ratio

Creates an elliptical arc by specifying its aspect ratio - the ratio of the major axis to the minor axis. The axes of the ellipse are orthogonal.

  • Enter the aspect ratio in the a:b ratio field on the Inspector Bar. (If you want to repeat this value later then lock it, otherwise the field reverts back to the default.)
  • Select the centerpoint of the ellipse.
  • Move the mouse to size the ellipse.

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  • A dotted line appears from the centerpoint. Move the cursor to set the arc start angle, or enter the angle in the Inspector Bar.


  • Move the cursor counterclockwise to draw the arc, or enter the end angle or arc length in the Inspector Bar.