When the Prusa i3 MK3 was released in 2017 ... the force of two opposing magnets return the lever to its original position. With no springs or mechanical switch to get gummed up to wear out ...

[Caelestis Cosplay] recently decided to outfit his Prusa i3 MK3S+ with such a camera, and was kind enough to share the process in a write-up. The first step was to find a community-developed fan ...