The use of computer systems to aid in the creation, modification, analysis, or optimization of a design and is used to increase the productivity of the designer and to assist in the fabrication process.

A measurable extent of some kind, such as length, width or height.

To make or be an exact copy of. To duplicate an object, use Ctrl + D and then drag it out or use the arrow keys.

To convert a file into another format than the one it is currently in. Tinkercad also allows you to "share" your design in the form of a PNG image file.

A tool that allows you to create the mirror image of an object or to flip it along the x, y, or z axis.

To combine two or more shapes into a single part.

The little squares that appear on the shape when you select it that allow you to resize it by pulling and pushing them

A tool used to subtract from a solid shape when grouped together.

To bring a file from a different program into the one you're using.

A starting point or building block for 3D design. These shapes can be added, subtracted, and combined with one another to build just about anything. They include: Cube (Box), Cylinder, Tube, Sphere, Torus, and Cone.

To change the size of an object so that its dimensions are proportional to the original size. You can do this by holding down the Shift key while pushing and pulling the handles to resize.

The large, blue grid where you create your designs. .

An imaginary line about which an object can rotate, which also serves as a fixed reference for measuring position.