[DaveMakesStuff] demonstrates a great technique for 3D printing a sphere; a troublesome shape for filament-based ... vase mode ensures a support-free print that uses a minimum of filament.

Faces - A face is a flat surface on a 3D shape. For example a cube ... Triangles, pentagons, hexagons, any shape. And a circle becomes a sphere with just one large, curved face, like a ball.

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 ...