Offset a spline or arc


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I am working on a site plan for a small commercial project. There is a number of existing curved sidewalks on the side.

I am drawing one side of the curved sidewalk and then wanting to offset that curved line for the other side of the sidewalk.

The concentric copy is not working correctly on curved lines. It's just making a copy of the curve without changing the radius.

The concentric copy command works fine on a complete circle but it does not work for arcs or splines.

Does anyone know how to do offset arcs and curves ?

 

Thanks,

Mike

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Thanks Chopsaw and MarkMc,

That worked. I was selecting the arc then made a copy then selected concentric copy. When I did it that way the most of the edit handles were not there anymore.

It worked when I did it the way MarkMc suggested. Select spline , copy paste in place, select concentric copy, pic one of the diamond edit handles and move it in the
desired direction, hit the tab key and input the desired distance. For arcs you select the small circle instead of the diamond.

 

Thanks,

Mike

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