repper.app is a very cool pattern making site, there's a free 14 day trial, think we're going to keep it after so we can make these cool Blinka patterns for videos and more - repper.app https://repper.app/
Visit the Adafruit shop online - http://www.adafruit.com
LIVE CHAT IS HERE! http://adafru.it/discord
Adafruit on Instagram: https://www.instagram.com/adafruit
Subscribe to Adafruit on YouTube: http://adafru.it/subscribe