In the past few months, we have covered plenty of awesome 3D printers on this site. You can do a lot of fun things with a decent 3D printer. Take this 3D Printed Stargate: it was 3D printed using a design found on Thingiverse. The developer added an Arduino and a stepper motor to get it working. In fact, the files for this project are now available here. The below video shows this cool Stargate in action:
Impressive, isn’t it?