Crafting that perfect sales pitch in PowerPoint sometimes requires you to use your drawing skills, and while it's possible to create a three-dimensional ball shape in PowerPoint, it's not altogether ...

A cross section is the shape formed when a plane intersects a three-dimensional figure. Imagine slicing through a solid object with a knife; the shape of the slice is the cross section. Understanding ...

In an online lecture, a professor mentioned that Einstein could draw or imagine a 4-dimensional figure. How can one possibly do that? originally appeared on Quora: the knowledge sharing network where ...

Plans and elevations are 2D drawings of a 3D shape when looked at from different perspectives. Isometric close isometricA method of drawing a 3D shape from a specific perspective. dot paper is used to ...

Mathematicians, freed in their imaginations from physical constraints, can conjure up descriptions of objects in many more dimensions than that. Points in a plane can be described with pairs of ...