West Dean College Gardens Visitor’s Center – Arches in the transverse load bearing walls: Photographs of sketches with arches and their curves
2) Arch curves drawn on a concrete wall in the construction site, with different radii of curvature & spans

Three photographs of early sketches by Christopher Alexander depicting the emergence and shaping of the wall arches. The templates for making the curve of the formworks were copied from these sketches; in the second photo, the top sketch gave the ...