Researched
Computer-Aided Design
Ivan Sutherland's Sketchpad (1963) lets an engineer draw on a screen with a light pen; CAD replaces the drawing board.
Open in the interactive tree →Patrick Hanratty's PRONTO (1957) had already programmed numerically controlled machines, and Sketchpad added interactive graphics. Digital models now flow from design into CNC machining and 3D printing.
Prerequisites
Unlocks
- Mouse and graphical interface1968Sketchpad's interactive screen graphics prepared the graphical interface
- 3D Printing (Additive Mfg)19843D printers print from digital CAD models