One can even say that this invention signaled the birth of virtual reality technology. This new “Head-Mounted Display” helped its users to see and navigate through a computer-generated 3D environment. These algorithms enabled a generation of realistic renderings for CAD models.Īdditionally, while Sutherland served as an associate professor at Harvard University in 1967, he teamed up with student Bob Sproull to modify an existing helicopter flight system in which a pilot positioned a camera by simply moving his head. Sutherland’s major contributions to the CAD world was developing one of the first algorithms to remove “hidden lines” in 3D drawings. The CRT could then manipulate, duplicate, and store those drawings. He called it “Sketchpad, A Man-Machine Graphical Communications System.” This system provided designers with a light-pen which they could use to create engineering drawings directly onto a CRT. Approximately 80% of CAD programs can be traced back to ADAM. The ADAM software is known as the first commercially available drafting and machining system, appearing in the early 1970s. This company is credited with developing machine-independent software called ADAM (Automated Drafting and Machining). He also founded a company called Manufacturing Consulting Services, Inc. Then he left GM in 1970 to form his own company called Integrated Computer Systems (ICS). He worked with a team at GM Research Laboratories and developed graphics for Design Augmented by Computers (DAC) during his time there.
Hanratty left GE to work at General Motors in 1962. This system is widely known today as computer-aided manufacturing.Īccording to, Dr. This served as the first commercial computer numerical controlling system. During that time, he developed a computer program called PRONTO (i.e., Program for Numerical Tooling Operations). Hanratty began earning a reputation in 1957 when he worked for General Electric. Hanratty has become widely known as the “Father of CADD/CAM.” Dr. Patrick Hanratty and Ivan Sutherland – are considered to be the pioneer of CAD. Pioneers in Computer-Aided DesignĪccording to an article on 3D Innovations, two men – Dr. However, before the introduction of 3D modeling, the birth of modern-day computer-assisted drafting made an appearance sometime after World War II with the development of real-time computing in the 1950s. The history of drafting in the field of engineering, in its more primitive forms, probably dates back 300 to 400 years as designers learned how to use descriptive geometry.
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