3D computer graphics, sometimes called CGI, 3DCG or three-dimensional computer graphics (in contrast to 2D computer graphics), are graphics that use a three-dimensional representation of geometric ...

At current prices, a machine will set you back $500 to $3,000 ... Once you have a design you're happy with, your computer sends it to the 3D printer, and it starts to build your object.

There are cases where an older 3D printer would still be suitable, however. Some report still using older machines to produce parts the same way they did years ago, and that might be adequate for the ...