This video is a tutorial making the Tween Surfaces Tower in Rhino Grasshopper. Grasshopper script contains 'Plane Surface', 'Divide Surface', 'Pull Point', 'MD Slider', 'Evaluate Surface', 'Graph Mapper', 'Move', 'Scale', 'Surface Form Points', 'Tween Two Surfaces', 'Offset Surface', 'Deconstruct Brep', 'Cull Index', 'List Item', 'Solid Difference', 'Loft', 'Cap Holes', 'Split Brep', 'Scale NU', 'Contour', 'Extrude', 'Divide Domain2', 'Isotrim', 'Pipe' components.