...
Technical Program Outline
viewtop - sets the workspace so that the user is viewing the object from the top.
zoom win - zooms the workspace to a smaller focus area
zoom win1 - zooms the workspace to a still smaller focus area
cylinder1 - creates a cylinder that will form the inner wall of pipe 1.
...
union1 - unions the two cylinders.
cylinder3 - creates a cylinder that will form the outer wall of pipe 1.
...
subtract3 - subtracts cylinder 6 from cylinder 5 creating a hollow pipe.
viewfront - sets the workspace so that the user is viewing the object from the front.
mirror1 -
mirror2 -
bigunion1 -
...