Assembly PuzzlesDesigner Profiles

Erich Friedman Mechanical Puzzles

Puzzle Designers and Craftsmen

Erich Friedman is a retired Associate Professor of Mathematics at Stetson University Florida, USA.

He is one of the top resources for math puzzles online and is an avid puzzle collector/designer. Over the last decade, he has designed and developed a range of interesting puzzles, contributed many puzzles to USPC and WPC competitions and is interested in Game Theory, Geometrical Packing and has one of the largest puzzle collections in Florida.

Designer Information

If you have information on this puzzle craftsman, or images to support this page please feel free to get in touch.

News of events:



Eric’s puzzles can be obtained at CreativeCraftHouse.

Erich Friedman Puzzles

A guide to the puzzles of Erich. (Please feel free to update on missing puzzles).

Cover Up

*TheMetagrobologist MOST wanted. Do you have a copy to sell/trade? Email or PM us on our Facebook Page.


This page has been created to act as a constantly updated, serious portal and directory to many of the world’s most popular, foremost and prolific mechanical puzzle designers and craftsmen.

If you are a craftsman or puzzle designer and would like to be added to the list, provide a small biography, display some new puzzle designs, news, or add new links or information for our readers please get in touch.

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Cover Up by Erich Friedman © CreativeCraftHouse

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