Perforated Polygon Facade Tower

This video is a tutorial of making the Perforated Polygon Facade Tower in Rhino Grasshopper. Grasshopper script contains 'Circle', 'Extrude', 'Brep Edges', 'Divide Curve', 'Curve Closest Point', 'Triangle Panels B', 'Sort List', 'Expression', 'Sub List', 'Polygon Center', 'Surface Closest Point', 'Partition List', 'Brep Join', 'Discontinuity', 'Merge', 'Cull Pattern', 'Cull Index', 'Pull Point', 'Polyline', 'List Item', '4 Point Surface', 'Divide Surface', 'Shift Path', 'Point in Curve', 'Is Planar', 'Circle CNR', 'Boundary Surfaces' components.