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examples:
koch snowflake
,
hilbert curve
,
spiral
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link to it
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SETXY 260 300 PU FW 30 RT 90 FW 10 PD REPEAT 36 [FW 3 RT 10] LT 180 PU FW 13 LT 90 FW 10 RT 210 PD FW 50 RT 150 PU FW 60 LT 90 FW 30 LT 90 PD SETXY 460 100 PU FW 70 RT 90 PD REPEAT 180 [FW 0.3 RT 1] LT 180 REPEAT 180 [FW 0.3 RT 1] RT 180 PU FW 40 LT 90 SETXY 150 150 PU FW 15 PD FW 40 REPEAT 180 [FW 0.3 RT 1] FW 40 REPEAT 180 [FW 0.3 RT 1] PU LT 180 FW 15 LT 90 FW 60 LT 90 PD SETXY 110 450 PU FW 50 RT 60 PD FW 40 RT 120 FW 70 LT 90 PU FW 30 LT 90 PD SETXY 360 200 PU FW 70 RT 90 FW 30 PD REPEAT 360 [FW 0.3 RT 1] PU FW 15 RT 90 FW 13 PD FW 45 PD REPEAT 180 [FW 0.3 RT 1] RT 90 PU FW 30 RT 90 FW 13 LT 90 FW 30 LT 90 PD SETXY 410 150 PU FW 40 PD FW 30 LT 180 FW 30 LT 90 FW 30 LT 90 FW 30 RT 180 FW 70 LT 90 PU FW 30 LT 90 PD SETXY 160 400 PU FW 10 RT 90 PD REPEAT 360 [FW 0.1 RT 1] PU RT 90 FW 10 LT 90 FW 30 LT 90 PD SETXY 240 200 PU FW 70 RT 90 PD FW 40 RT 120 FW 70 LT 180 FW 30 LT 120 FW 15 LT 180 FW 30 RT 90 PU FW 30 LT 90 FW 30 LT 90 PD SETXY 530 440 PU FW 30 RT 90 FW 10 PD REPEAT 36 [FW 3 RT 10] LT 180 PU FW 13 LT 90 FW 10 RT 210 PD FW 50 RT 150 PU FW 60 LT 90 FW 30 LT 90 PD SETXY 10 550 PD FW 70 RT 150 FW 78 RT 210 FW 67 RT 90 PU FW 20 PD REPEAT 360 [FW 0.1 RT 1] PU RT 90 FW 70 LT 90 FW 30 LT 90 PD SETXY 10 10 PD RT 90 FW 30 LT 180 FW 30 RT 90 FW 40 RT 90 FW 20 LT 180 FW 20 RT 90 FW 30 RT 90 FW 30 PU FW 20 PD REPEAT 360 [FW 0.1 RT 1] PU RT 90 FW 70 LT 90 FW 30 LT 90 PD SETXY 320 300 PU FW 70 RT 90 FW 30 LT 180 PD FW 30 LT 90 FW 30 LT 90 REPEAT 180 [FW 0.4 RT 1] LT 180 PU FW 50 LT 90 PD SETXY 450 370 PU FW 10 RT 90 PD REPEAT 360 [FW 0.1 RT 1] PU RT 90 FW 10 LT 90 FW 30 LT 90 PD SETXY 100 70 PU FW 15 PD FW 40 REPEAT 180 [FW 0.3 RT 1] FW 40 REPEAT 180 [FW 0.3 RT 1] PU LT 180 FW 15 LT 90 FW 60 LT 90 PD SETXY 470 400 PU FW 55 PD REPEAT 180 [FW 0.3 RT 1] RT 30 FW 60 RT 240 FW 30 PU FW 30 LT 90 PD SETXY 210 350 PU FW 70 RT 90 PD REPEAT 180 [FW 0.3 RT 1] LT 180 REPEAT 180 [FW 0.3 RT 1] RT 180 PU FW 40 LT 90 SETXY 370 350 PU FW 50 RT 60 PD FW 40 RT 120 FW 70 LT 90 PU FW 30 LT 90 PD SETXY 580 500 PU RT 90 FW 30 LT 90 FW 30 RT 90 PD REPEAT 360 [FW 0.3 RT 1] LT 180 REPEAT 360 [FW 0.3 RT 1] LT 90 PU FW 30 LT 90 FW 60 LT 90 PD SETXY 60 500 PU FW 70 RT 90 FW 30 LT 180 PD FW 30 LT 90 FW 30 LT 90 REPEAT 180 [FW 0.4 RT 1] LT 180 PU FW 50 LT 90 PD SETXY 310 250 PU FW 10 RT 90 PD REPEAT 360 [FW 0.1 RT 1] PU RT 90 FW 10 LT 90 FW 30 LT 90 PD
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