plane solid

multiview projectionmultiview projection

Chapter 6Chapter 6

Plane object ?

A cuboidA cuboid

1

2

1' ( 2' ) 1 '' 2 ''

1 ''

(2 '')

Six arrises prismSix arrises prism

Find the points on surfaces?Find the points on surfaces?

Cut?Cut?

3'

3

3

２

１ ４

２

４'

２'１

'

４"

２"

3"3"

１ "

２"

section

Sectional edge

Cut?Cut?

Cut?Cut?

Five arrises prism

Cut?

3'

3

１(2)

４

４'

２ '

１ '

４"

２" 3"

１ "

１(2)

２ '

１ '

3

3'

Cut?

Cut cuboid?

Cut cuboid?

Cut cuboid?

Cut cuboid?

3 arrises pyramid

Find the points on surface?

Find the points on surface?

Cut?

Cut?

１

４

４'

１ '

４"

２"

3"

１ "

２ '

3

3'5'

5

5"

2

3

3"

Cut?

１

４

４'

１ '

４"

２"

3"

１ "

２ '

3

3'5'

5

5"

2

3

3"

Cut?

Cut?

Example 1Example 1 finish the projection ? finish the projection ?

2 "1"

1

2

Cut for first time

Example 2Example 2 finish the projection ? finish the projection ?

5

3'

5'

3 "

4 "

5 "3' 3 "

3

4

4'

Cut for second time

2 "1"

1

2

5

3'

4'

5'

3 "

4 "

5 "3' 3 "

3

4

Example 3 Example 3 finish the projection ?finish the projection ?

Modify the views step by step

The projection after cut!!!The projection after cut!!!

Find every section / polygon

The projection after cut!!!The projection after cut!!!

The projection after cut!!!The projection after cut!!!