You can use Tinkercad to create 3D models or drawings of objects that have three dimensions.

With Tinkercad you can look at your drawing from the side, top, or bottom. You can also shrink or enlarge the drawing. With practice, you can create a 3D model of almost anything with Tinkercad!

After you design your object with Tinkercad, you can send your model to the 3D printer. The printer will start with the bottom of the object doing layer by layer. It will heat the filament and make it so it very thin.