#DIY Glowing 3D Printed #Buttons:
[ Goo.gl Link ]
If you want to make spark buttons for your apparel, then you can add these Adafruit 3D printed NeoPixel coat buttons for better visibility at night. All you need is #Gemma, NeoPixels, conductive thread, scissors, and other simple tools.
DIY Glowing 3D Printed Buttons