30-60-90 are the angles of a drawing triangle. With a small one, the architecture plant was drawn to organize a V-shaped lounge that looks towards Madrid's most iconic park. With a larger one, it was redesigned on site. All the lines were drawn on a board that was installed on the floor before the project was built.. With a radical geometrical rule the questions about reflections, folds, horizons, assemblies and cuttings were answered. And with the clientdesires, the materiality questions of textures and colors were responded. In conclusion: there is chemistry between Vanity &Geometry.