3D shapes, they have 3 dimensions ... And a circle becomes a sphere with just one large, curved face, like a ball. Perfect for, uh, rolling. Strike! I mean…oh come on now.
[DaveMakesStuff] demonstrates a great technique for 3D printing a sphere; a troublesome shape for filament-based printers to handle. As a bonus, it uses a minimum of filament. His ideas can be ...
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What's the shape of the universe? Mathematicians use topology to study its shape and everything in itYou live on the surface of a giant sphere, like a beach ball the size of ... When you look around the universe you live in, it looks like a 3D space, just like the surface of the Earth looks ...
NARRATOR: Finally, what about the sphere? So, faces? Well, just the one. Edges? Zero. Vertices? None. Oh dear! Oh well. The spheres are disappointed and one is angry. 3D shapes have faces (sides ...
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