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## A cone
#
algebraic3d
# Cone given by bottom circle and top circle
# and cut by planes:
solid cutcone = cone ( 0, 0, 0; 1; 3, 0, 0; 0.1 )
and plane (0, 0, 0; -1, 0, 0)
and plane (3, 0, 0; 1, 0, 0);
tlo cutcone;
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