G91 ;Use Relative
G1 F200
G1 Z-12.5 ;raise up above
M106 S30
G1 X30 Z25 
M106 S12
; START TICK MARK
G1 Y2 X-15 Z-12.5
M106 S30
G1 Y-1.8
M106 S12
G1 Y-0.4
M106 S30
G1 Y-1.8
M106 S12
G1 Y2 X-15 ;Return to home
G90 ;Change Back to Absolute