M140 100 ( 140 over 100 down)
l0 0 0 0 (positon)
20 ( width of line ) 10 ( 10 down )
When using lowercase, the lines then move over, up & down from your last coordinate
M140 100 l0 0 0 0 -15 30
-15 ( brings the line back 15 pixels )
30 ( takes the line down 30 pixels.
The next 15 takes the line over 15
The -10 brings the end of the line back up 10 pixels.
0 0 0 0 15 -10
Etc on the rest.. ~ I (Sleeper) did it part way .. The last command I made the line 50 pixels long and left it neutral (0) neither up nor down.
l0 0 0 0 50 0
FLO'S SETTINGS, POLYLINE
Black zig-zag line on edge of jaw
Here's the original image for you to TL to your own file Manager: