Posted by hipstomp | 20 Aug 2008
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Comments (1)

This simple but clever jig is for sale on eBay until the 23rd, and anyone who's ever seen a key-copying machine or a pantograph will appreciate it. Hook your router up to one end, "trace" a completed guitar or shape on the other, mill carefully, and voila: you've just made a 3D copy without investing in CNC.
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This is how most compound surface tooling was done pre-CNC. Models were often made 2-3x size, and then pantographed down in steel to final dimensions. This is a very clever and simple set-up for copying a basically flat product. Brilliant.