Fidget toys all have a satisfying mechanical action to engage with, and [uhltimate]’s OTF (out the front) “fidget knife” model provides that in spades. The model snaps open and closed thanks to a ...

This 3D printed shake it fidget is weirdly addictive with smooth motion, tactile feedback, and nonstop satisfying interaction. #fidget #3Dprinting #oddlysatisfying ...