The Evolution of Useful Things A Book by Henry Petroski Here, then, is the central idea: the form of made things is always subject to change in response to their real or perceived shortcomings, their failures to function properly. This principle governs all invention, innovation, ingenuity. Spike and sponShaped and reshapedForm follows failureTheir wrongness is somehow more immediateA small corner of the world of things+23 More The evolution of devices formfunctioninventionprogressfailure
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