Hanayama L'Oeuf cast metal mechanical puzzle

From puzzle maker Hanayama is this intriguing egg-shaped cast puzzle. (L'Oeuf is French for "The egg".) The two plates each have a pin that moves within a track on the opposite plate goal is to separate the two metal pieces and then put them back together. While it may seem straightforward, the puzzle is rated at "intermediate" difficulty, so perhaps there is more to it that it might seem?

If you are interested, here is where you can get the Hanayama L'Oeuf cast metal puzzle.

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Book: How to Cast Small Metal and Rubber Parts

This gem of a book teaches you how to reproduce or create new casts of brass, bronze, many other metals, and rubber. It covers metal selection, molding sands, mold-making, and how to repair castings. It also features information on core-making, troubleshooting problems, grinding, polishing, and buffing.

From the book description:

Just some of the countless uses you'll find for this potentially profitable skill: making obsolete or vintage car parts, hood ornaments, garden and fireplace tools, kitchen utensils, automotive parts, replacing broken antique parts, reproducing sculpture, plaques, and other art ... all kinds of decorative and useful objects...

Here is a link to How to Cast Small Metal and Rubber Parts (2nd Edition)

[ Thanks Neil! ]

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