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Puzzle crafting & workshops • Laboratorio di giochi d'ingegno • Atelier de puzzles
by Gianni A. Sarcone & Marie-Jo Waeber
 The Sword and Crown puzzle Legend says that when the condottiere Sigismondo Mazzacani besieged the small town of Chiusdino (Tuscany), an ambassador came and told him: "to aspire to the crown of this town, you must first free the sword". In other words, to resolve without bloodshed the conflict, the condottiere was challenged to free the sword drived into the rock of San Galgano... The puzzle we feature here is based on this legend.

Let's Start

 The puzzle consists in 3 parts: a hoop, a sword and a crown. To make your own disentanglement puzzle, download first the PDF file containing the 3 models shown below... (Just click on the small PDF gif >> )

• Once you've downloaded the PDF file, print out the models and paste them onto thin cardboard, then cut the pieces out.
• Make a slit in the first piece by cutting the dotted lines. Then, glue its both ends together to make a hoop.
• Now, if you follow the directions illustrated opposite, you should be able to assemble this puzzle without any problem:

a) Fold the sword piece as shown, b) fit its handle into the slit of the cardboard hoop. c) Slip the crown piece through the sword handle and d) stick its ends together as shown. The fig. e) shows how the puzzle should look.

© Gianni A. Sarcone
Source: Almanach du Mathématicien en herbe, ISBN 2844690254
You cannot reproduce this puzzle for commercial use!

AIM OF THE PUZZLE
Separate the sword from the crown (see image below)
without folding and defacing the cardboard sword
or tearing up any puzzle piece. Once you've freed the sword,
try to assemble the puzzle again!

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 ARCHIMEDES journal is an interactive review devoted to entertaining & involving the readers with puzzles, recreational mathematics and visual creativity. This journal is published for an audience without a specific math background. Each issue covers a broad range of mental and hands-on activities for the reader to enjoy! "How to focus attention? Encourage creative exploration?" Multicultural interactive puzzle activities & workshops for museums and institutions. Related links A large selection of puzzles books. Puzzles for publishers and editors.
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