HERE’S HOW
Test the square prism the same way you tested
the triangular prism. What do you notice?
Which is more resistant to deformation?
More prisms
Done!
Done!
1
1
2
2
3
4
SQUARE
RECTANGULAR PRISM
x
x
WHAT’S HAPPENING
There are no triangles in the square prism at all. Therefore, it can
twist, bend, and deform more than the triangular prism.
However, you can see that even the square prism is strong
enough to stay standing on its own. By combining the 12
flexible rods into one structure, you have created a three-
dimensional form with volume, or space inside. It’s easy to
imagine this prism shape as the basis for countless buildings.
Architectural Engineering
There are lots of
different types of
prisms. Let’s build
a square prism.
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