For example, say you own a 3D printer and you just came up with an idea. The temptation is to go straight to your favorite CAD tool, start designing the finished product, and then hit print.

In fact, the sites where you can find 3D prints have only gotten bigger and more numerous, and if you have some CAD ... 3D printer deals for you to check out, including some of the best 3D ...

When you hear the word "printer ... or CAD (including free programs such as Autodesk 123D Design, SketchUp, and Tinkercad), you can design your own objects. If not, you'll find plenty of 3D ...