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

checkprops result -s 329.199