/usr/share/k3d/lsystem/airhorse.ls is in k3d-data 0.8.0.3-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | # --- L-System Parser/Mutator --- Lj Lapre ----------------------------------
18 # recursion level
10 # basic angle
200 # starting thickness
C # axiom
#-------------------------------------- Creature
C=LBW
#-------------------------------------- Body
B=[[''aH]|[g]]
a=Fs+;'a # upper part
g=Ft+;'g # lower part
s=[::cc!!!!&&[FFcccZ]^^^^FFcccZ] # upper spikes
t=[c!!!!&[FF]^^FF] # lower spikes
#-------------------------------------- Lungs
L=O # 8 recursions delay
O=P
P=Q
Q=R
R=U
U=X
X=Y
Y=V
V=[cc!!!&&&&&&&&&[Zp]|[Zp]]
p=h>>>>>>>>>>>>h>>>>>>>>>>>>h
h=[++++!F'''p]
#-------------------------------------- Head
H=[cccci[>>>>>dcFFF][<<<<<ecFFF]]
d=Z!&Z!&:'d # left
e=Z!^Z!^:'e # right
i=-:"i
#-------------------------------------- Wing
W=[%[!!cb][<<<!!cb][>>>!!cb]]
b=Fl!+Fl+;'b # arc
l=[-cc{--z++z++z--|--z++z++z}]
#-------------------------------------- End
@
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