1. Orthographic Projection
Graphics Lesson 3
Orthographic Projection

2. Properties 2D views All the views line up with each other
Usually 3 views
plan
front
side
Rule 1 – The plan is always above the front
Rule 2 – The right side view is drawn on the right, the left view is drawn on the left
Dimensions (sizes) are shown, spread over the three views

3. Analyse the Isometric P F S

4. Layout the views - feint50
100 75 60 60 40 60 50

5. Tidy Up

6. Construct views - feint20 30 30 10

7. Fine line views

8. Add dimensions 20 60 30 60
100 10

9. Now your go!! 60 x 60 x 60 Cube Basic Shape 10 10 20mm Sq. hole 40