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#   shell-3
#
#   Scene      Another line-based shell for "Shells, crabs ..."
#   Date       October 1997
#   Author     Andrei Sherstyuk
#   Features   Line-based implicit surfaces
#   Comments   Superposition of two skeletons: the orange base and
#              the spiral row of red horns (left) yield a smooth 
#              convolved shape of a new sea-shell (right). 
#              Produced by coral utility based upon shell SPD as:
#                      coral -s 1 -r 6 -g 2 -a 3 -b -1
#              Skeleton NOT rendered.
#   Objects    70 cylinders
#   Version    7.11
#   Precision  DOUBLE
#   Time       640x480 demiurge, sample 4:
#              ------------------version 7.12----------------------
#              Hard shell        4 min 56 sec
#              Soft shell        9 min 48 sec
#              ----------------------------------------------------
#   
#   Nice shell-3
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