Lichtjes aangezet

Essentially, all models are wrong, but some are useful.

George E.P. Box
Sketching is fundamental to ideation, and ideation is the critical ‘front end’ to any good design process. Unlike prototypes sketches are freehand, gestural, and they telegraph intent and emotion. They are caricatures, exaggerations — like the drawings of concept cars and new fashion models, accentuating what’s different and engaging. They are tentative and exploratory, and the best ones resemble the design-idea sketches of Renaissance thinkers. They are quick and inexpensive, plentiful (so you have many alternatives to explore), and clear about what problem they’re investigating. How to Save the World