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Color Prism Patterns |
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It is known only two among eight colored patterns can produce two
identically colored prisms when folded. Can you spot them correctly in
this "2D-to-3D" folding-spatial puzzle? |
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Cubed Triangles |
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A shape consists of five adjacent squares and two triangles. There are
some variations of the shape provided. The goal is to figure out which of
them can be folded into a cube. A good exercise to train your spatial
reasoning. By Peter Grabarchuk. |
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Toy Strip Origami |
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Three colored strips have to be folded into three colored letters. The key
idea is to keep the number of the performed folds as low as possible. Is
it a challenge that would be TOY to you? By Peter Grabarchuk. |
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Square to Cube |
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Cut out some shape from a perfect square, then apply to it some folding
and get... a perfect cube. It's not squaring the circle, but could it be
cubing the square? |
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Strip to Cube |
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A strip of six squares is not among those hexominoes that can be folded
into a one-unit cube. But it's said the seventh square added to the strip
may help. |
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Strip to Pentagon |
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Can the rectangle coordinates provide us with a perfect pentagon? Yes,
they can! Now the puzzle is to reveal how to make such a pentagon from...
a simple strip. |
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Fold the Sheet |
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There are many ways to fold a 2x4 rectangle into a 1x1 packet. But what is
the way for folding it into a packet with numbers in serial order inside? |
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Funny Fold |
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A funny C letter states it can be folded from some capital letter and only
within one fold. But what letter it can be if C insists it was not a
capital L? |
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Triangle Folds |
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Three rectangles to an equilateral triangle! Should there be any mystery
or you simply have to fold them - precisely one fold for each rectangle? |
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Last Updated: July 26, 2008 |
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