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Martin Raynsford made this drag chain out of parts he laser-cut out of 2mm MDF. A drag chain protects wires from snagging, usually on constructs that move, like the toolhead of a CNC router. Sure, you could buy a drag chain, but with Martin’s design you could design the perfect one and make it as long or short as you want.

Martin has created a bunch of cool projects like this Mechanical Donkey Kong game. He’s got a lot more on his website. [via DangPro]

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net


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