%
#<Feed> = 2500
#<Xsize> = 75
#<Ysize> = 90
#<Stepover> = 3

G91 G28 Z0
M3
G0 G90 X0.0 Y0.0 S2400
G0 z5


#1 = 0
O100 while [#1 LT #<Ysize>]
                G1  F[#<Feed>]  z0 
                x[#<Xsize>]
                #1 = [#1+#<Stepover>]
                G0 z5
                x0 y[#1]
O100 endwhile

g1 z0
F[#<Feed>]  x[#<Xsize>]
G0 z5
x0 y0

G91 G28 Z0
G90
%