Learn the fundamentals of Grasshopper in this 13-part video series led by its creator, David Rutten. Explore interface basics, multiple components, definition refinement, and advanced topics like creating biarcs and lofting multiple curves. Discover how to display definitions with colors, create custom components, and utilize generic components. Gain insights into working with lists, random functions, and shortcuts for efficient workflow. Perfect for beginners, this comprehensive tutorial covers essential topics to build a strong foundation in Grasshopper, with no prior experience required.