Six months ago I had two problems in front of me at the same time. One technical: how to make one machine work with both 49mm and 58mm baskets. One strategic: sell this as a kit you build yourself, or something I build for you.

Every compromise I’m uncovering is actually a specification for what I’m building. Where they chose plastic for cost, I’m speccing metal for the daily ritual…

Nine millimeters doesn’t sound like much until you’re trying to engineer around it while using standard components from …