1. Introduction to Orthographic Projections

2. Introduction to Orthographic Projections

3. Object

4. Viewing
Direction
Picture Plane

5. Viewing
Direction 

6. Viewing
Direction    

11. View
III-Angle

13. The relationship on plane paper of the various views in III angle
TOP
LEFT
FRONT
RIGHT

14. View

15. I-Angle Right View Front View Left View Top View
The relationship on plane paper of the various views in I angle
View
Right
View
Front
View
Left View
Top
View

24. Drawing three views in III angle
FRONT
TOP
RIGHT
TOP
FRONT
RIGHT

25. Drawing three views in III angle
TOP
FRONT
TOP
RIGHT
FRONT
RIGHT

26. Drawing three views in III angle?
TOP
FRONT
TOP
RIGHT
FRONT
RIGHT

27. FRONT
TOP
RIGHT

28. 8
FRONT
TOP
LEFT 11 8

29. ×
FRONT
TOP
LEFT

30. Edge on