This is the part of the RET cone in the positive quadrant, the part that the program generates.
Cone_quadrant
Caption
A quarter of the throat cone.
Attached Source
A Cone At Home
I had a problem to solve at work last year, basically to make a cone out of bent tubes, to form a cone-shaped "throat opening" in a wall made of vertical tubes. The task needed a bit of iterative tria...