Lesson Two: 3D Concepts and Designs

Essential Questions

1. What is the difference between 2 Dimensional and 3 Dimensional?
2. How can we build and create a 3D object from a 2D (flat) drawing?

Objectives

• Students will learn the difference between 2D and 3D
• Students will learn to make a 3D object from a 2D (flat) drawing

Teacher Background Concepts

1. Computer Aided Design (CAD): When we create an object on the computer in 3D, using CAD software, the (x, y, z) axes are used, to demonstrate the position of an object in 3D space.
2. 2 Dimensional: Refers to a flat representation or drawing with only the two dimensions: width and height, and no thickness (or depth).
3. 3 Dimensional: An object that has height (length), width and depth (thickness). It projects out into space, using 3 Dimensions. In CAD, the (x, y, z) axes are commonly used to represent 3 Dimensional objects.