This is sort of a follow up from the post earlier this week. Archive: https://archive.today/AZmIj From the post: >>Last week, we ran a post about a slightly controversial video that claimed that a particular 3D-printing slicing strategy was tied up by a patent troll. We’re absolutely not lawyers here at Hackaday, but we’ve been in the amateur 3D printing revolution since the very beginning, and surprisingly patents have played a role all along.