This video is a tutorial about making a Voxel Cube Ceiling in Rhino Grasshopper. Grasshopper script contains 'Rectangle', 'Box Rectangle', 'Box Array', 'Bounding Box', 'Populate Geometry', 'Closest Point', 'Scale', 'Cull Pattern', 'Deconstruct Brep', 'Cull Duplicates', 'Pipe' components.