Klipper: open source without a community, or why your printer will never ship with a toolchanger

English version of the Russian original published on Habr. The man whose code has booted your virtual machines for the last 20 years or so (SeaBIOS has been the default BIOS of QEMU/KVM since about 2010) today decides single-handedly what goes into Klipper, the firmware behind a good half of the planet’s 3D printers, from home builds to factory machines. This is not a metaphor about spiritual leadership. It is literally a one-row table in the official documentation. ...

July 24, 2026 · Aleksei Sviridkin