I just watched a 3-D printing demonstration at RCX, so in doing some extra research on 3D printing I found this. I had no idea there is a 3-D pen that you could doodle with and actually create things from it, like a quadcopter. Something else I have to add to my wish list.
3D Printing Pen Creates Quadcopter
![Drone News | UAS | Drone Racing | Aerial Photos & Videos | 3D Printing Pen Creates Quadcopter](https://www.rotordronepro.com/wp-content/uploads/2020/08/RDProNI-614x300.jpg)
nice