Hello,

I was wondering if anyone could help me?

I am trying to automate a process whereby a selected polygon gets buffered by 
10m both externally and internally, thereby creating a donut type buffer. I 
need the donut buffer to be created on to the Cosmetic layer.

I have experimented with first turning the object into polylines then buffering 
 them, and then turning the polylines back into a region. I can do this 
manually but not through a script.

Any suggestions appreciated.

thanks
Alan

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