INTRODUCTION
Engineering drawing is a language of technicians. They can document and communicate all details of the job using engineering drawing. Drawing paper has two dimensions. To give information about 3-D object, only one view is not sufficient. Orthographic projection is a method to project 3-D drawing in two dimensions.
OBJECTIVES
After going this lesson, you will be able to:
- explain the orthographic and isometric methods of projection
- draw simple orthographic and isometric drawing
- select isometric scale
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