hyperbola profile 0 -110 -90 0 1 1 15 15
mkedge profile profile -pi/2. pi/2.
wire profile profile
bsplinecurve w 2 3 0 3 1 1 2 3 0 0 0 2 1000 1000 1000 1 1000 0 0 1 -100 -100 -100 2
mkedge w w
wire w w
pipe result w profile

checkprops result -s 156102