You see these pop-up ads for these types of products and if you're like me - skeptical right away! And as for why the size of the pins really affects the details of the relief, I'll also say that in my brief use of the contour gauge, this is a great way to start a complex cut. I also didn't have this tool to cut something and thereby spoil the piece. From what I can see this is for uses like door jambs or stone abutments, it's a pretty neat tool, I like the Empires version as it has metal pins instead of plastic.
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