Offset at a DistanceKeyCreator \ Create \ Arc \ Offset-at-a-Distance
Location: Create>Arc>Offset Distance
Use this feature to create an arc (or circle) offset from a selected arc at a specified distance. The new arc will have the same start and end angle as the original arc (or circle).
Using the Function:
Note: Before the next step, note that you can create multiple arcs at the same time, if desired. To do this, on the Conversation Bar, enter multiple distances separated by semicolons. You can mix positive and negative values as desired. Negative values create an arc that is offset in the opposite direction from the selected vector.
Above > Example of an arc offset (outside arc) at a distance