7 - 9 - 11 -13 - 17 Coins in Square
thingiverse
Puzzle description: This is another generalization of the 10 Cent Puzzle (https://www.thingiverse.com/thing:5141748) with even more options: For the given tray there are five problems with three different sets of coins which will fit in the tray - 7 x 50 Cent - 9 x 1 Euro, - 11 x 10 Cent, - 13 x 2 Cent, or - 17 x 1 Cent The tray togethere with seventeen Cent coins is a nice and inexpensive present! If you can read German: Mehr Informationen gibt es in https://welt-der-geduldspiele.blogspot.com/search?q=3D-Druck Puzzle difficulty: The problem with 7 coins is easy. For 11, 13 or 17 coins it is much more difficult. The 9 coin problem is included just for completeness. Printing instructions: The tray is easy to print. Check the size of your tray. The inside dimension should be 70mm. If it is smaller or very much larger then change the size by the appropriate percentage in your slicer.
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