Make LED Gummy Candies/ Food-Safe Silicone Mold
"Ever look at a pile of 10mm LEDs and think "mmm, they look just like gumdrops!" These LED gummy candies are so realistic they'll have your friends fooled at first, then delighted that they are actually edible (and delicious). This tutorial covers the basics of food-safe silicone mold making and provides a recipe for gummy candies you can make at home.
The legs are 3D printed in PLA (corn-based plastic) and they function like toothpicks, we inserted them while the gummies we cooling. It should be noted that gummies are a low-temperature candy, do not use 3D printed parts with any high-temp hard candies!"
Toda la info de como hacerlo aquí: http://learn.adafruit.com/led-gummy-candies/food-safe-silicone-mold