I happened upon this on Overstock and purchased it for my pieces which are larger than my paper cutter board. It works phenomenally. No frayed edges or missed cuts. I use aluminum rulers and nice cutting mats, so I'm sure that helps. But I would certainly recommend this to any illustrator.
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If you're interested in artists supplies, check out my alcohol-based marker poll: https://www.massdrop.com/vote/alcoholbased-marker-set-for-art-professionals