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Platonic solids explained to a five year old
22:59
The Dome Paradox: A Loophole in Newton's Laws
9:44
What is mathematical thinking actually like?
9:24
Customized 3d pen surfaces
15:35
EASY 3d pen chevron pattern box
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Right angles with 3d pen
7:46
Angles matter
7:56
Sharp corners with 3d pen
6:32
Complex shapes with 3d pen