G21        ;metric values
G90        ;absolute positioning

M107       ;fan off
G28 X0     ;move X to home

; first circle
G1 F3600 X72.388 Y58.679
G1 X80.983 Y54.085
G1 X90.302 Y51.257
G1 X100.000 Y50.302
G1 X109.698 Y51.257
G1 X119.017 Y54.085
G1 X127.612 Y58.679
G1 X135.142 Y64.858
G1 X141.321 Y72.388
G1 X145.915 Y80.983
G1 X148.743 Y90.302
G1 X149.698 Y100.000
G1 X148.743 Y109.698
G1 X145.915 Y119.017
G1 X141.321 Y127.612
G1 X135.142 Y135.142
G1 X127.612 Y141.321
G1 X119.017 Y145.915
G1 X109.698 Y148.743
G1 X100.000 Y149.698
G1 X90.302 Y148.743
G1 X80.983 Y145.915
G1 X72.388 Y141.321
G1 X64.858 Y135.142
G1 X58.679 Y127.612
G1 X54.085 Y119.017
G1 X51.257 Y109.698
G1 X50.302 Y100.000
G1 X51.257 Y90.302
G1 X54.085 Y80.983
G1 X58.679 Y72.388
G1 X64.858 Y64.858
G0 X65.241 Y65.666

M106 S255  ;fan on

; second circle
G1 F3600 X72.388 Y58.679
G1 X80.983 Y54.085
G1 X90.302 Y51.257
G1 X100.000 Y50.302
G1 X109.698 Y51.257
G1 X119.017 Y54.085
G1 X127.612 Y58.679
G1 X135.142 Y64.858
G1 X141.321 Y72.388
G1 X145.915 Y80.983
G1 X148.743 Y90.302
G1 X149.698 Y100.000
G1 X148.743 Y109.698
G1 X145.915 Y119.017
G1 X141.321 Y127.612
G1 X135.142 Y135.142
G1 X127.612 Y141.321
G1 X119.017 Y145.915
G1 X109.698 Y148.743
G1 X100.000 Y149.698
G1 X90.302 Y148.743
G1 X80.983 Y145.915
G1 X72.388 Y141.321
G1 X64.858 Y135.142
G1 X58.679 Y127.612
G1 X54.085 Y119.017
G1 X51.257 Y109.698
G1 X50.302 Y100.000
G1 X51.257 Y90.302
G1 X54.085 Y80.983
G1 X58.679 Y72.388
G1 X64.858 Y64.858
G0 X65.241 Y65.666

M107       ;fan off
G28 X0     ;move X to home