Modeling Star Trek Ent (NX-01)
 

i need some tutorial for that (or some other st ship)

Try here.

http://www.ap3d.com/betterspace/

Start off here:

http://www.trekmania.net/art/tutorial_1.htm

Then have a look over here:

http://www.scifi-meshes.com/

Thank you all!!!!!!

Just as an afterthought - if you haven't already got any Star Trek meshes to look at for guidance, have a look at

http://www.lwg3d.org

Go to the resources section - then have a look at the meshes section - there are quite a few Star Trek models available there.