Mathematical Experiment 11


Construct a cone using the command "tubeplot".


Construct a cone using the command "plot3d".


Construct three mutually tangnet cones.


Construct 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 three.


Construct 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:
where


Construct this model of the "icecream":


Construct this model of "icecream":