3D Printed Conductive Circuit - Train Crossing

thingiverse

I wanted to build a 3D printed circuit using conductive ink similar to a Voxel 8 3D printer but on a budget. I discovered some affordable conductive glue at Radio Shack and utilized it to create a 3D Printed Train Crossing Circuit powered by an Arduino board. The circuit simply flashes LEDs back and forth like a train crossing and a crucial component of the circuitry is conductive ink placed in channels within a custom 3D print. You can view more details on my YouTube Channel: https://youtu.be/k-52WRqUocw I used this conductive glue from Radio Shack: http://shack.net/1R1aNR6 Print Settings: Printer: Makerfront Rafts: No Supports: No Resolution: 0.3 Infill: 25% Notes: You can use any fill or resolution, I chose clear filament to make it easier to see the conductive ink. Post-Printing: Simply add the conductive glue/ink to the channels to establish circuitry connections. I designed this traffic light with channels in Tinkercad.