Flatten - Graft - Simplify - Grasshopper Tutorial

In this grasshopper tutorial, I will talk about one of our subscriber's question. Emilio asked about the little icons you see when you right click on the component's input or output. I will explain about them in this video. Want to learn Grasshopper, step by step? Check out our Grasshopper Course at: https://goo.gl/sx51uF