Copy of Constructing a Spherical Segment
Constructing a Spherical Segment
The curve command: curve[ x(A) cos(t) + x(C) sin(t) , y(A) cos(t) + y(C) sin(t) , z(A) cos(t) + z(C) sin(t) , t, 0, angle[A,O,B]]
The screencast: http://screencast-o-matic.com/watch/c2i0q2nJ5A