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Jon Allen


Jon Allen has been a practicing architect for twenty-five years. He has worked closely with Keith Critchlow, a world authority on geometry, and has developed a particular interest in the application of geometry in architectural design. He lives in London.

Author's photo

Author's Books

Making Geometry

Exploring Three-Dimensional Forms


Drawing Geometry

A Primer of Basic Forms for Artists, Designers, and Architects

Jon Allen
Illustrated by Jon Allen
Foreword by Keith Critchlow