Collaborate Disseminate
Four times the holes, four times the trouble. 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.
A little backstory will probably help understand why …read more
Continue reading Punch Those Hole-Drilling Blues Away with a Homebrew Punching Tool
Look around yourself right now and chances are pretty good that you’ll quickly lay eyes on a zipper. Zippers are incredibly commonplace artifacts, a commodity item produced by the mile that we rarely give a second thought to until they break or get stuck. But zippers are a fairly modern convenience, and the story of their invention is one that shows even the best ideas can be delayed by overly complicated designs and lack of a practical method for manufacturing.
Ideas for fasteners to replace buttons and laces have been kicking around since the mid-19th century. …read more