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Hirokazu Iwasawa Mechanical Puzzles

Puzzle Designers and Craftsmen

Hirokazu Iwasawa (or more commonly Iwahiro), is a prolific and popular puzzle Japanese puzzle designer/craftsman who has produced some truly inspirational puzzles.

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:

To be confirmed.


His website site devoted to his incredible craftsmanship: Iwahiro Puzzles
A great many of Iwahiro’s puzzles can be purchased at Oy Sloyd Ab

Hirokazu Iwasawa Puzzles

Hirokazu-San has produced some great puzzles, of which many are below (Please feel free to update on missing puzzles).

All-Edges Coverage Ball Pyramid Puzzle Quartette Black Box
Caged Pyramid Mmmm 8-Identical-Piece Cube #1
All-Edges Coverage Chockablock CorRECTly In The Bag
Crystalline* Cubes in Space* Dango Box
Dinghy Hexahedroom ‘ODD’ puzzle
Square In The Bag Tangled Gym Jewel Box* Tritalon
Pentangular Jam Rectangular Jam Rightangular Jam
Triangular Jam Cube Wrapper*

*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.

Interested in new mechanical wooden puzzles?

Visit Wood Wonders Online.


Checkout our latest blogposts for news and site updates.

Hexahedroom © Designer: Hirokazu Iwasawa (Baxterweb)

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