[Sam Underwood] is working on an experimental bellows instrument.
[llvllch] creates a daily basic-bitch quote machine.
[Chris Courses] creates an automated water dispenser
Though the details are light, [s3msify] creates an automated drink mixer.
[MUDA-ZUKURI] creates a desktop machine that blows a plastic bag in the wind.
[@WillowCreative_] shows off a wolf head assembly
[Sarah Spencer] and [John Spencer] create an open source hardware automatic thread color changer for knitting machines.
The mask with a diffusor on can be seen in a later tweet.
Details are light but [natalie] creates animatronic robot singers.
[Indoorgeek] creates a mechanical 7 segment display using PCB coils a 3D printed housing and neodymium magnets.