Patten-展

repeat-應用

size 300 300

paper 150 200 30
Repeat B 0 200

{

pen (B/2-70) (B-50)(B-80)
line 0 (B*50) 300 (B*5)

line 0 (B*50) 300 (B*6)

line 0 (B*50) 300 (B*7)

line 0 (B*50) 300 (B*8)

line 0 (B*50) 300 (B*9)

line 0 (B*50) 300 (B*10)

}
Repeat A 0 20

{

Repeat B 10 20

{

pen (A+60) 50 20

line (A*5) (B*50) (A*20) B

line (A*10) (B*50) (A*20) B
}

}