Offsetting a shape in Autocad First you need to combine all the objects used to create the shape into one polyline. This can then be offset or moved as one object.
Use the pedit command (PE is the short cut key). Select the first line or arc, command line will say object is not a polyline - do you want to turn it into one? Answer default (Y).
Then use the join option from the command line options (J) and select all of the other lines or arcs. Push enter when you have done this and the command line will say X objects added to polyline. Note you can only join objects that are touching.
Now use offset to offset the whole shape as a polyline.
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