Section-perspective drawing A Fragment by Gerhard Kallmann architizer.com Council Chamber Study Looking South. Gerhard M. Kallmann. Kallmann’s distinctive section-perspective drawing technique seen here allowed the simultaneous exploration of both interior spaces and building systems. Anatomical Drawings of Staircase SpacesBoston City HallDrawing as a means of thinking drawing
What the problem is Sometimes the problem is to discover what the problem is. Gordon Clegg, The Design of Design (Cambridge Engineering Series) The heart of systems engineeringComplete and consistent requirements problemsdesignux