Glossary Term:

Erfahrung

3D Printing

noun \ir-ˈfa-ˈrəŋ\
Things you know from personal experience. For example, if you slam your fingers in the door of a Deux Cheveaux (the French answer to the Volkswagen, without the power or the comfort), the next time you close the door, you move your hand out of the way. Why? “Erfahrung.”