thanks for your answer "inspire"
but i uploaded the picture of sketch i want to wrap
so consider the attached files.
1- i try to wrap in curved surface in "picture 1" and there is an error.
"wrap takes a planer cylindrical ......"
whats this error for?
2- i did not have problem with a cylinder surface .
3_ i tried more with curved surface and did it. "picture 3" but the end of the pattern deformed !!!
why the wraped sketch deforms in such curved surfaces? please help me . thank you