# Prototype

A quick, rough version of a design made to test it.

**Source:** “This design thinking process consists of these 5 steps:” [ME 113 (Stanford University)](https://web.stanford.edu/class/me113/d_thinking.html)

See also: [Design thinking](/reference/glossary/design-thinking).

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Published 2026-10-29. Web page: https://www.mackenziebowes.com/reference/glossary/prototype