[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 [bitluni] needs so many holes.

In this activity, students will use a piece of black ... Make them a variety of sizes by using the single-hole punch, the pen or pencil, and the pin. Tack the black sheet to the front of the ...

Some of you may have seen this odd cloud formation yesterday or today. It’s called a fall streak or hold punch. High to ...