RDworks can import Illustrator files, apparently with no problems. The issue is that the layers all display, which can be an issue if you're using layers to store different cuts. Also, RDworks can mirror designs but can not rotate 90 degrees. This makes it a pain to turn designs to fit.
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RDworks can import Illustrator filess. The issues:
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# The layers all display, which can be an issue if you're using layers to store different cuts.
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# It doesn't always properly clip paths, for example paths hidden by overlapping shapes.