after you finish the step 12 or 14, you can extract the curves from solid body.just follow the step as below: - s) c1 R$ e' m) B1: make new layer for new curve.) h& C; L7 g f& K- J
2: under modeling, choose Insert--Curve from Bodies---Extract---Edge Curves---All in Face, then select the face of solid bo dy,---ok---0k---Cancel, leave the Extract curve dialoge.- r- u- n6 ~2 R, u/ ]
3. make the solid layer invisible but the new layer of new curve selectable or work.+ \+ C2 m) `" n, H
4. that's all.