Use the DcDiameter command to constrain the diameter of a Circle, Arc, or curved PolyLine segment.
To define diameter Dimensional Constraints:
If you specify an entity for which a diameter or radius constraint is already defined, you receive a message that the constraint already exists.
Access
Command: DcDiameter
Menu: Constraints > Dimensional Constraints > Diameter
Ribbon: Constraints > Dimensional > Diameter
Parent Topic