This ppt contained Development of Prism, Cylinder, Cone, and Pyramind.

1. Development of Surfaces
Tarun B Patel

2. No of Side X Size of Side
4 X 30 = 120
Development of Prism [Parallel-line development]
Tarun B Patel Mechanical Dept Dr Ghandhy college

3. No of Side X Size of Side
4 X 30 = 120
Development of Prism [Parallel-line development]
10
10
a(a1) b(b1)
c(c1)
d(d1)
a1’(d’1)
a’(d’)
b1’(c’1)
b’(c’)
A1 B1 C1 D1 A1
A B C D A
P’(q’)
l’(m’)
P
L M
Q P
Tarun B Patel Mechanical Dept Dr Ghandhy college

4. Development of Cylinder [Parallel-line development]
40
60
πD= 125.66
a(p)
b(q) d(s)
e(t)
f(u)
g(v)
h(w)
P’
a’ e’
t’
q’ r’ s’
(u’)
(v’)
(w’)
b’ c’ d’
(h’) (g’) (f’)
P Q R S T U W
V P
A B C D E F H
G A
Tarun B Patel Mechanical Dept Dr Ghandhy college

5. Development of Cylinder [Parallel-line development]
40
60
πD= 125.66
a(p)
b(q) d(s)
e(t)
f(u)
g(v)
h(w)
P’
a’ e’
t’
q’ r’ s’
(u’)
(v’)
(w’)
b’ c’ d’
(h’) (g’) (f’)
P Q R S T U W
V P
A B C D E F H
G A
1’
2’(8’)
3’(7’)
4’(6’)
5’
1
2
3
4
5
6
7
8
1
Tarun B Patel Mechanical Dept Dr Ghandhy college

6. Development of Pyramid [Radial-line development]
40
60
1
2
3
4
o
O’
2’(1’) 3’(4’)
True Length
1
2
3
4
1
O
Tarun B Patel Mechanical Dept Dr Ghandhy college

7. Development of Pyramid [Radial-line development]
40
60
1
2 3
4
o
O’
2’(1’) 3’(4’)
True Length
1
2
3
4
1
O
a’(b’) c’(d’)
a
b d
c
B A
C
D
B
Tarun B Patel Mechanical Dept Dr Ghandhy college

8. 1
4
3
2
1
Development of Pyramid [Radial-line development]
60
1
2
3
4
5
O
1’ 3’
4’
5’
O’
a’
b’
c’ d’
p’ q’ r’ s’ t’
a”
b”
c”
d”
5
P Q S
T
R
P
O
A
D
B
2’
C
25
True Length
Tarun B Patel Mechanical Dept Dr Ghandhy college

9. 1
3
4
5
1
Development of Pyramid [Radial-line development]
60
1’
O’
2
A B C
D
E
A
O
25
1
2
3
4
5
O
2’ 3’
(4’)
(5’)
a’ b’
c’
(d’)
(e’)
p’
q’
r’
(s’)
(t’)
Don’t find TL
R
S
q’’
(t’’)
Q
P T
Tarun B Patel Mechanical Dept Dr Ghandhy college

10. Development of Cone [Radial-line development]
60
1
O’
1’
6
1
O
2
3
5
4
7
8
2’ 3’ 4’ 5’
(6’)
(7’)
(8’)
Ø40
Θ=360 X 20/? = 114.11
1
2
3 4
5
6
7
8
Tarun B Patel Mechanical Dept Dr Ghandhy college