Rotated Polygon Arch Tunnel

This video is a tutorial of making Rotated Polygon Arch Tunnel Pavilion in Rhino Grasshopper. Polygon Segment, Rotation angle, and Scale can be adjusted. Grasshopper script contains ‘Arc', 'Perp Frames', 'Graph Mapper', 'Remap Numbers', 'Rotate', 'Polygon', 'Scale', 'Point on Curve', 'Line SDL', 'Loft', 'Cap Holes', 'Solid Difference', 'Boundary Surfaces', 'Offset', 'Deconstruct Brep', 'Brep Join' components.