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I am looking for a method that enables to create offset polygons with a defined distance in ArcGIS. Like in Sketch Up, it allows to create the exact same shaped polygon as its input (selected) polygon.

I know there is a buffer tool, but it creates curves at certain points. This can be solved by MBR if the polygon is rectangle, but I expect to have random shapes.

The image below is what I'd like to get as a result, offset polygon inside of existing ones no matter what the polygon shape is. I hope to have everything in straight line that parallel to existing polygon.

I was considering using point array that is re-calculated from the original points, but this might be inaccurate when polygon is not simple rectangles.

Any advice..?

enter image description here

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  • It requires using python, but see my answer here.
    – Barbarossa
    Apr 25, 2017 at 18:00

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Try the Scale Tool:

You can scale a feature—make the entire feature larger or smaller—using the Scale tool.

Also take a look at this question: Is there ArcPy tool for polygon resizing like Scale tool of Advanced Editing toolbar in ArcMap? One of the answers is providing Python code for resizing.

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  • Hi Bera, thank you for your comments. I want to apply this for multiple data, so probably I will check the python code.
    – June
    Apr 25, 2017 at 19:59

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