3
2
3
4
5
6
7
8
9
10
12
13
11
B
o
o
k
c
a
se
1
B01
B01
B04
B02
B02
B02
B03
C09 C09
A06
-
05
A06
-
06
A
0
6
-
0
1
A
0
6
-
0
2
B04
A06
-
05
B03(back)
B01
A
B
B02
A
B
B02
A
B
B02
assembly structure of bookcase
1.9cm
1.9cm
B01
(
back
)
(
front
)
C09 C09
1
1
A06
-
01
B01
B01
B02
B02
B02
B03
B04
4.1cm
3.5cm