Draw keypoint arcs in relation to existing curves
 
 
 

How to draw a keypoint arc tangent to a point on an existing curve, or concentric to an existing arc.

Draw an arc tangent to a curve

  1. Choose Keypoint Curve Tools > Arcs > Arc Tangent to Curve.
  2. Click the start point of the new arc on the curve it will be tangent to.
  3. Click the end point of the arc.

Draw an arc concentric to another arc

  1. Choose Keypoint Curve Tools > Arcs > Concentric Arc.
  2. Click the arc from which the new arc will be offset.
  3. Click the start point and end points of the arc.

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