1. The building blocks of sketching
A visual language

2. A visual language
Mental models
Skills
Rules

3. Rules: Perspective

4. Rules: Perspective

5. Rules: Perspective

6. Rules: Perspective

7. Rules
1 point perspective

8. 1 point perspective: Cubes in space

9. 1 point perspective: Examples

10. 1 point perspective: Examples

11. 1 point perspective: Examples

12. 1 point perspective: Examples

13. Rules
2 point perspective

14. 2 point perspective: Another cube

15. 2 point perspective: Examples

16. 2 point perspective: Examples

17. 2 point perspective: Examples

18. Rules
3 point perspective

19. 3 point perspective: Cubed!

20. 3 point perspective: Examples
idsketching.com

21. 3 point perspective: Examples
idsketching.com

22. 3 point perspective: Examples
idsketching.com

23. How many points of perspective?

24. Skills: Marker technique

25. Rules: Shadows on cubes

26. Rules: Shadows on cylinders

27. Rules: Shadows on spheres

28. Everything together now