Here’s a great post for anyone who likes woodworking and making puzzles. The author of the post has gathered free puzzle plans from around the web. It’s worth taking a look at, even if you don’t intend to make any of the puzzles as many fun designs are on display.
Tredoku is another sudoku variation. In a tredoku puzzle, the grid is laid out in varrying three dimensional patterns. The same rules still apply. The same numbers can not appear in the same rows or columns or the same internal square. In Tredoku, rows and columns continue even over 90 degree turns in the grid.
The main advantage here is that grid orientations are virtually endless. And it’s a little bit neater than massively overlapping sudoku grids. There’s currently a tredoku blog set up where you can go and try some of the puzzles. Enjoy!
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