sidef-scripts/Image/plant_1.sf

#!/usr/bin/ruby

include('LSystem/LSystem.sf')

var rules = Hash(
    S => 'T-[[S]+S]+T[+TS]-S',
    T => 'TT',                   # or: 'T[S]T'
);

var lsys = LSystem(
    width:  1000,
    height: 1000,

    scale: 0.7,
    xoff: -200,
    yoff:  300,

    len:   8,
    angle: 25,
    color: 'dark green',
);

lsys.execute('S', 6, "plant_1.png", rules);