I need help with the attached image. I am trying to make a loop of rope that
will follow the path outlined in red. I know the radius of the blue and
green circles as well as their centers. I will create a macro that creates
a clipped torus for the curved top and bottom. I will connect these tori
with cylinders to form the straight sides.

My problem.....

1. What angle should I use to clip the tori?

Once I know this, I should be able to find the distances from the ends of
the clipped tori to get the length and angles of the cylinders.

Tim

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