visualisation medical illustration Technical communications Technical drawing References External links Technical Illustration – A Historical Perspective by Kevin Hulsey Technical Illustration in the 21st Century: A Primer for Today’s Professionals by Parametric Technology Corporation (PTC) 2007. (requires login) Stuttgart Database of Scientific Illustrators 1450–1950 (DSI) (with more than 6000 entries and 20 search fields) Illustration Illustration Object visualization