ok thanx.i thinked there was some shortcut or other thing to do better track faster, but now i now what to do: take a few day to made a coaster [:D]

I have looked the coaster selled with no limit and they are "real". But when i do a coaster, it doesn't look real because each vertex is "visible" in the simulation. It isn't smooth. How to do smooth turn, or smooth lift easly? I work on each vertex about 10 min and it doesn't look real.[:(]

Thx