insertergif.gif It uses constant combinators with coded signals, a clock that increases each 1/4s, and a left bit shift combinator. 0eNrtnd9uGzuSh19loctdZ4ZV/B/Mzu3c7v3gIHAcJRHGlgxZPrPBQR5g32KfbZ9ku2UnUZpdalaRnZGIvjk4ceJudrFYLLK+H/nH6v398/pxv9keVm//WG3udtun1du//7F62nza3t73Pzt8eVyv3q42h/XD6ma1vX3o/3...

This kind of system attracts me a lot, I always try to make it as compact as I can and still make it beautiful, so the people can use it in their maps. This gif should resemble the evolution of Science Packs, but I had to make many optimizations in the image, so it was simpler. PotionGif.gif 0eNrtnd...

I made a colorful tetris in Factorio, I also made a mod to make the lamps look better, the game has collision and simple rotation to both sides, option to go black and white and start, the controls are powered by gates Mod: https://mods.factorio.com/mod/Tetris Blueprint: https://hastebin.com/oyajiya...