I have fought with the issue below with Design 2, and anxiously downloaded Design 3, hoping it would be fixed.  No dice!

The problem is when I’m exporting selected objects to jpg (or png, for that matter).  The dimensions of an object on the design surface will be different from the dimensions when exporting the selected object.  Why???  Why can't my dimensions when exporting be exactly the same as when designing them?  I thought maybe it was antialiasing, but unchecking that made no difference.  I also made sure my X and Y locations were integers, thinking there was some kind of rounding problem.  Still no difference.

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