i want make trail effect like the image,anyone can help me ?
thank you very much

i already knew how turn the connect conlumn on,i already usea box and trail op creat a track,but i don't konw how to separate the curve(creat by the trail)(such as the box has eight vertex and the trail op creat looks like eight curves, but in face it is one mesh). what shall i do .

I guess you can append ConvertSOP.
(Convert to = Polygon and Conectivity=Columns.)
Then you can use SweepSOP(with skin output )
to feed CircleSOP and ConvertSOP.

hi (`~`)
thank you very much ,i already do it