The Quarter Arc tool creates circular 90° arcs or 90° elliptical arc polyline objects. The Push/Pull toggle mode is available in 3D views for instantly extruding the arc after creation.
Quarter arcs are listed as polylines in the Object Info palette.
To create quarter arcs:
1. Click the Quarter Arc tool from the Basic palette.
2. Click at the start point for the arc.
3. Move the mouse until the desired arc shape and size is previewed, and then click to set the arc. To constrain the angle of the quarter arc to 45 degrees, press the Shift key when drawing the arc.
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