See official site for the statuette at http://www.brooklynmuseum.org/opencollection/objects/4225/Female_Figure

The spiral was generated from the following PostScript vector source code:

%!
333 360 translate/pi 3.1415926535898 def/R 180 pi div def/W 15
def/U 3.26 def/D 180 def/C 54 pi div def/L{/Y 0 def 0 W U 360
mul{7{dup}repeat D add cos/H exch def D add sin/G exch def H mul
R div/Q exch def G mul R div/E exch def Q C mul/x exch def E C
mul/y exch def/S G Q add H E sub div def G 0 gt G 0 eq H -1 eq
and or{/F -1 def}{/F 1 def}ifelse/A exch def A 49.294 lt A 180
gt A 196.274 lt and or{/F F neg def}if W sub dup dup dup D add
cos C mul mul R div/M exch def D add sin C mul mul R div/N exch
def W add dup dup dup D add cos C mul mul R div/O exch def D add
sin C mul mul R div/V exch def/P x M sub dup mul y N sub dup mul
add sqrt pi div def/Z x O sub dup mul y V sub dup mul add sqrt
pi div def/B S S mul 1 add sqrt def 0 eq{0 0 moveto/X D cos Z
mul def}{X Y x 1 F mul B div P mul sub y S F mul B div P mul sub
x y curveto /X x 1 F mul B div Z mul add def/Y y S F mul B div Z
mul add def}ifelse}for stroke}def L/U 2.76 def/D 0 def L showpage
%EOF

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