circle profile 0 0 0 0 1 1 5
mkedge profile profile
wire profile profile
mkplane profile profile
bsplinecurve w 2 3 0 3 1 1 2 3 0 0 0 2 100 100 100 1 100 0 0 1 -10 -10 -10 2
mkedge w w
wire w w
pipe result w profile

set square 8684.67