GCCONCENTRIC command
Creates a concentric geometric constraint on 2D entities.
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Description
Creates a concentric constraint to ensure two circular or elliptical entities remain concentric.
Method to create a concentric constraint
This command has 1 method to begin creating a concentric constraint:
         - Select first entity
 
- Select first entity
 - Begin creating a concentric constraint by selecting a circular or elliptical entity then:
 - Select second entity
 - Select a circular or elliptical entity to make concentric with the first entity. The first entity maintains its position while the second entity moves, as necessary, to become concentric.