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.

Here’s how much money you should have saved for retirement based on your age 11 Perennials You Should Never Grow in Your Yard ...

The dimples left by the center punch serve to guide drill bits ... available for Dremel and RotoZip-style rotary tools. While some holes in sheet metal may be cut very cleanly, most will require ...

Roper Whitney was bought by Tennsmith, a sheet metal fabricating ... same Roper Whitney hole punch for 40 years. "It's not something we use every day, but it's such a handy tool and punches ...

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.

Make sure to buy a 10-pack of 1/8-inch drill bits as they will either wear out or snap off while drilling your holes. Cleco fasteners are also a valuable tool that can hold sheet metal panels in ...

which ultimately affects the life of both punch and metal sheet. Spacing between holes also matters. It should be at least two times the sheet thickness (2T), if not more. Distance between holes ...