How-To: “Diamond Lock” Puzzle Journal

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

2399 Articles

By Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

2399 Articles

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Here’s another beautiful bit of wooden puzzle design and craftsmanship from Denver metagrobologist Kagen Schaefer. The locking mechanism was recently reverse-engineered by Instructables user dombeef, who has made a working paper version. Our past coverage of Kagen’s work is linked below.

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