Replace Entity (2D)
Edit (Sketch Level)
Use this command to replace one sketch entity
with another. The entity being replaced along with any associated constraints
are deleted. First select the entity to replace. Then select the replacement
entity.
This command allows one curve or reference curve to be replaced with another. The replacement curve "inherits" the unique id and index of the original curve. During a regen, entities "attached" to the original reference curve will re-attach to the replacement curve.