Technical Drawing Turning 3d into 2d

1
Technical DrawingTurning 3d into 2d

• (Created by Fred CampilloDCP/MIP Math
  TeacherAustin High School 2006)

2
In the beginning

• Drawings left you FLAT!

3
Things got better

• But still FLAT!

4
Then they got worse

• The Dark Ages

5
Then came PERSPECTIVE!

• The ability to create a photo quality painting

6
And it set off a revolution

• Industrial revolution is attributed by some to
  technical drawing.

7
There are many types of technical drawing
EXAMPLES

• Cutaways ?

Orthographic Projection ?
Explosion ?
8
Orthographic Projection

• Three perpendicular views of the same object.

Original Object
Front View
Side View
FINAL DRAWING ?
9
Isometric Drawing

• Three sides shown at once.

STEP ONE
Say we need to draw a cube
10
Tech Drawing Project due _______