# Path 7 times [arc radius=168, angle= 180-360/7) degrees
# and seven segments of length 200 ]

A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300
A 168 154.28571428571428571429 L 300

X # Center the path on the paper
W 0.1 # Pen with 0.1 points

D 168 # Disc of 105 cogs
H 200  # And hole 105
V 0 > 360 7 # Deviation from 0 degrees to 72
# and increments of 9 degrees

R 100 # Resolution
N # Count the number of cycles
# required to close the disc's drawing

C 0 255 0 > 0 0 255 3 # set the color Green -> Blue 4 values
+ 0 0 255 > 0 255 0 4 # and then Blue-> Green 4 values

G 7

# Peace and love, brothers.