Designer, implementor, user, writer A Fragment by Donald Knuth dl.acm.org Thus, I came to the conclusion that the designer of a new system must not only be the implementor and the first large-scale user; the designer should also write the first user manual. The separation of any of these four components would have hurt TeX significantly. If I had not participated fully in all these activities, literally hundreds of improvements would never have been made, because I would never have thought of them or perceived why they were important. Eating your own dog food making
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