C.a.R. > Applications > Three Dimensional > 3D Plot
This is a 3D plot of the function in the top right. The parameter t can be varied with the slider above. The plot can be turned, moved and zoomed with the sliders in the lower right.
This was generated with a lot of macros. One set of macros generates a grid of points. Another macro generates the z-values for these points and projects the points to the 3D area around Z.