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House Digest on MSNThe Tool You'll Want To Have On Hand When Drilling MetalDrilling through metal can be intimidating, but you can get the job done properly with this important tool. We spoke to an expert to learn how it works.
With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal.
Printed in PLA, with 80% infill and 12 walls, the tool (right) failed at 5 tons. In a press, material such as sheet metal is formed into a shape by forcing the material around the tooling.
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