All of the lines are 'V' shaped. When you adjust the parameters, you'll see the smooth curved pattern as "Moire". The pattern follows your mouse cursor but you can also fix it by pressing the space key. 4 parameters are adjustable at the corners. '0' key fix the center at (0,0) Space key: mouse follow ON/OFF
https://en.wikipedia.org/wiki/Moir%C3%A9_pattern #Moiré #Moirépattern #pattern #art #pen #lines #モアレ
