The Trillium User Interface Design Environment

D. Austin Henderson, Jr.
Intelligent Systems Laboratory
Xerox Palo Alto Research Center
Palo Alto, California, 94304

Proceedings, CHI’86, April, 1986

Trillium is a computer-based environment for simulating and experimenting with interfaces for simple machines. For the past four years it has been use by Xerox designers for fast prototyping of interfaces for copiers and printers. This paper defines the class of “functioning frame” which Trillium is used to design, discusses the major presentations of the machine and its parts; concerns that have driven the design of Trillium, and describes the Trillium mechanisms chosen to satisfy them.

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