If you were running out of things to do with old 3.5" floppies when we first shared a tutorial on how to turn them into a pen holder, you've certainly run out by now. We're back with new designs.

Like most of us, [Arnov] used a spare coffee mug to hold pens on his desk. But there has to be a better way, right? Surely if you build a better mouse trap… or, in this case, a pen holder. He’d be the ...