In a fit of optimism, I pre-ordered a Glowforge laser cutter in 2015, but it didn’t actually arrive until late 2017. I’d have been more excited about it shipping if I hadn’t been out of town for a family funeral when they delivered it. The end of 2017 was a giant mess, and I didn’t really get much use out of the Glowforge during most of 2018. For Christmas 2018, my wife and I decided that we really wanted to try to make presents for as many people as possible, and to encourage our kid...