REGULAR CURVES

repeat 9[fd _ rt/lt 10]

repeat 18[fd _ rt/lt 10]

repeat 36[fd _ rt/lt 10]

IRREGULAR CURVES

repeat 2-8 [fd 0.1 to 10 rt/lt 10]

repeat 2-8 [fd 10 or more rt/lt 10]

repeat 10-17 [fd 0.1 to 10 rt/lt 10]

repeat 10-17[fd 10 or more rt/lt 10]

repeat 19-35 [fd 0.1 to 10 rt/lt 10]

repeat 19-35 [fd 10 or more rt/lt 10]