Here is a small list of projects that you might find interesting.
3D printed sculptures that are connected to songs. The songs can be played back by using an AR app on a phone.
The motor noises on a 3D printer can be used like an instrument to play music. This project also prints the results of the movements.
Sculptures that explore the native forms of a 3D printer (strings, blobs, visible layers). Things that you would normally try to avoid when 3D printing something.
John Edmark creates kinetic and animated sculptures.
Nervous System is a design studio that does interesting projects with 3D printers and other technology.
Gilles Dechaud made a stop-motion animation using 3D printed characters and sets.
Another 3D Printed animation from DBLG.
Megumi Igarashi (aka Rokudenashiko) was fined 400,000 yen for distributing a 3D printable model of her vagina.