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Orthographic and Isometric Projection

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Rural Technology

TOPICS

Orthographic Projections

Steps to draw the Orthographic Views

Isometric drawing

Natural Scale and Isometric Scale

Steps to Draw an Isometric View

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

Isometric.png

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Rural Technology