I have been experimenting with using a 3D printing pen directly on different fabrics. I was blown away at how well it worked for easily incorporating Arduinos, PCBs, LEDs and batteries. All with NO sewing!<br><br>There is even an easy way to do prototyping or make control electronics removable, by attaching a solderless breadboard directly to the fabric.<br><br>Check out the full video here:<br><a target="_blank" rel="noopener noreferrer" href="https://youtu.be/PvGc5y1cFfs">https://youtu.be/PvGc5y1cFfs</a><br>