5) Turn the laser 180° towards wall B, and mark on the wall the
center of the cross beams as b1 (see figure 2).
2
# תמונה
0.5m
6) Move the laser level towards wall B and position it approximately
0.5 meter from wall B, and adjust the laser that the vertical beam
will pass through the point b1.
7) Mark on wall B the center of the cross beams as b2 (see figure 3).
3
# תמונה
16
a1
A
Figure # 2
Figure # 2
a1
X
A
Figure # 3
Figure # 3
X
B
b1
X
b2
X
b1
X
B
0.5m