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Drawing elliptical arcs
An elliptical arc is a portion of an ellipse. The default method for drawing an elliptical
arc is to specify the endpoints of one axis of the ellipse, and then specify a distance
representing half the length of the second axis. Then you specify the start and
end angles for the arc, measured from the center of the ellipse in relation to its major
axis. You can draw elliptical arcs using any of the following methods:
To draw an elliptical arc by specifying the axis endpoints
1 Do one of the following to choose Elliptical Arc Axis-Axis ( ):
• On the ribbon, choose Home > Elliptical Arc Axis-Axis or choose Draw > Elliptical
• On the menu, choose Draw > Elliptical Arc > Elliptical Arc Axis-Axis.
• On the Draw toolbar, click the Elliptical Arc Axis-Axis tool.
• Type ellipse and then press Enter, and then type a (for Arc) and press Enter.
2 Specify the first endpoint.
3 Specify the second endpoint.
4 Specify the half-length of the other axis.
5 Specify the start angle of the arc.
6 Specify the end angle.
CAD.direct 2021 draws elliptical arcs in the direction you specify.
Go to Tools > Drawing Settings > Drawing Units tab. Under Change Settings For,
select Angular Units. The default setting is counterclockwise.
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