Sketching Centerpoint Arcs To sketch centerpoint arcs: Click Centerpoint Arc . Click to place the center of the arc. Release and drag to set the radius and the angle. Click to place a start point. Release, drag, and click to set an end point. Click . Video: Sketching a Centerpoint Arc Parent topicArcs Sketching Tangent Arcs Sketching 3 Point Arcs Changing Arc Properties Arc PropertyManager 3D Arc PropertyManager