Threadwitch Light & Fabric
Moon Flower Jacket

I purchased a purple wool jacket and appliqued a flower with sheer leaves and petals to the back, with Adafruit NeoPixels illuminating the leaves and petals from within. The leaves and stem light up green, while the pixels in the blossom cycle through the colors of the rainbow. The pixels are chained together and controlled by an Adafruit GEMMA microcontroller board and powered with a small battery pack in one pocket.

Here is a somewhat shakey video that shows this in action: