Mathematical Experiment 11
Construct a cone using the command "tubeplot".
Construct a cone using the command "plot3d".
Construct three mutually tangnet cones.
12 half-cones each tangent to five others.
Construct four cones each tangent to the other three.
Construct four half-cones each touching the other
20 spheres of the same size each tangnet to three others.
Note that the following points may be taken as the vertices of a dodecahedron:
Construct this model of the "icecream":
this model of "icecream":