Step 1: Why would you use a solder pen, anyway?
So why make a solder pen? Well, I had broken several lengths of solder off the reel during some recent tinkering. Rather than throw them away, I decided I needed to create a way to use them up as best I could. I am also addicted to building things, and I was bored.
***The Solder Saver is designed to provide storage and precision deployment of small scraps of toxic solder which might have otherwise ended up in a land fill. It is also made with very few simple materials, including a disposable pen. These attributes make this device eco-friendly.