Dragon:
    axiom: "FX"
    axiom_multiplier: 1
    rules: "X:X+YF+.  ;  Y:-FX-Y"
    rotation_angle: 90.0
    nb_iter: 12

Gosper:
    axiom: "AB"
    rules: "A: A-B--B+A++AA+B-.  ;  B: +A-BB--B-A++A+B."
    rotation_angle: 60.0
    nb_iter: 3

Hilbert:
    axiom: "L"
    rules: "L:-RF+LFL+FR-.  ;  R:+LF-RFR-FL+."
    rotation_angle: 90.0
    nb_iter: 5
    skipped: LR

Icy:
    axiom: "F+F+F+F"
    rules: "F:  FF+F++.F+F "
    rotation_angle: 90.0
    nb_iter: 5

Islands:
    axiom: "F-F-F-F"
    rules: "F:F-U+FF-F-FF-FU-FF+U-FF+F+FF+FU+FFF  ;  U:UUUUUU"
    rotation_angle: 90.0
    nb_iter: 2

Koch:
    axiom: "F--F--F"
    rules: "F:  F+F-.-F+F"
    rotation_angle: 60.0
    nb_iter: 6

Minkowski:
    axiom: "F"
    rules: "F:  F+F-F-F.F+F+F-F "
    rotation_angle: 90.0
    nb_iter: 3

Peano:
    axiom: "++FA"
    rules: "A:A-BA+CA+CA+CA-BA-BA-BA+CA.    ;   B:F-F-F-F.   ;   C:F+F+F+F."
    rotation_angle: 22.5
    nb_iter: 4
    skipped: ABC

Penrose tiling:
    axiom: "[N]++[N]++[N]++[N]++[N]"
    rules: "A:O++B----N[-O----A]++ ; N:+O--B[---A--N]+ ; O:-A++N[+++O++B]- ; B:--O++++A[+B++++N]--N"
    rotation_angle: 36.0
    nb_iter: 5

Pentadendrite:
    axiom: "F-F-F-F-F"
    rules: "F:F-F-F+.+F+F-F"
    rotation_angle: 72.0
    nb_iter: 4

Polygon with angle 30 degrees:
    axiom: "F+."
    rules: ""
    rotation_angle: 30.0
    nb_iter: 1

    axiom_multiplier: 12

Polygon with angle 150 degrees:
    axiom: "F+."
    rules: ""
    rotation_angle: 150.0
    nb_iter: 1

    axiom_multiplier: 12

Polygon with angle 175 degrees:
    axiom: "F+."
    rules: ""
    rotation_angle: 175.0
    nb_iter: 1

    axiom_multiplier: 72

Polygon with angle 179 degrees:
    axiom: "F+."
    rules: ""
    rotation_angle: 179.0
    nb_iter: 1

    axiom_multiplier: 360

Polygon 9*5:
    axiom: "r+"
    rules: "r: F++F--F--F++F."
    rotation_angle: 40.0
    nb_iter: 1

    axiom_multiplier: 9

Repetition 3:
    axiom: "F#+F#+F#"
    rules: ""
    rotation_angle: 120.0
    nb_iter: 1

    axiom_multiplier: 1

Repetition 5:
    axiom: "F#+F#+F#+F#+F#"
    rules: ""
    rotation_angle: 72.0
    nb_iter: 1

    axiom_multiplier: 1

Repetition 6:
    axiom: "F#+F#+F#+F#+F#+F#"
    rules: ""
    rotation_angle: 60.0
    nb_iter: 1

    axiom_multiplier: 1

Returns with angle 5 degrees:
    axiom: "|+."
    rules: ""
    rotation_angle: 5.0
    nb_iter: 1

    axiom_multiplier: 72

Round star:
    axiom: "F"
    rules: "F:F+.+F"
    rotation_angle: 77.0
    nb_iter: 7

Sierpinsky carpet:
    axiom: "A"
    rules: "A:B-A-B.  ;  B:A+B+A."
    rotation_angle: 60.0
    nb_iter: 6

Spider:
    axiom: "F*+."
    rules: ""
    rotation_angle: 61.0
    nb_iter: 1

    axiom_multiplier: 500
    coeff: 0.99

Spiral 1:
    axiom: "Fu+."
    rules: ""
    rotation_angle: 10.0
    nb_iter: 1

    axiom_multiplier: 500

Spiral 2:
    axiom: "F*+."
    rules: ""
    rotation_angle: 10.0
    nb_iter: 1

    axiom_multiplier: 500
    coeff: 1.01

Spiral 3:
    axiom: "F*+."
    rules: ""
    rotation_angle: 10.0
    nb_iter: 1

    axiom_multiplier: 500
    coeff: -1.01

Squigly:
    axiom: "r"
    rules: "r: Fr+FL+Fr.  ;  L: FL-Fr-FL"
    rotation_angle: 60.0
    nb_iter: 9

Tree:
    axiom: "B"
    rules:  "A: AA; B: A[-B][+B]"
    rotation_angle: 20.0
    nb_iter: 5

    starting_angle: 90

Tree 2:
    axiom: "F"
    rules: "F: F[.+FF][.-FF]F[.-F][.+F]F"
    rotation_angle: 36.0
    nb_iter: 3

    starting_angle: 90

Triangle with spiral:
    axiom: "F*+."
    rules: ""
    rotation_angle: 122.0
    nb_iter: 1

    axiom_multiplier: 500
    coeff: 0.94

3D example:
    axiom: "F+F+F .MFM. F+F+F"
    rules: ""
    rotation_angle: 90.0
    nb_iter: 1

3D spring:
    axiom: "F+P."
    rules: ""
    rotation_angle: 10.0
    nb_iter: 1

    axiom_multiplier: 500