%
G17 G21 G90
G00 X-5 Y0
G01 X5 Y0
G01 X5 Y40
G01 X15 Y40
G01 X0 Y55
G01 X-15 Y40 
G01 X-5 Y40 
G01 X-5 Y0

G7
G00 X-5 Y0
G01 X5 Y0
G01 X5 Y40
G01 X15 Y40
G01 X0 Y55
G01 X-15 Y40 
G01 X-5 Y40 
G01 X-5 Y0
G8

%