3D vector drawing software

Question

Possible Duplicate:
Draw 3D vectors

I need a program to make a 3D drawing easy and carefully at a half of a day. 3D drawing consists of:

1. vectors,
2. lines,
3. arcs for angle between two vectors or lines vector,
4. vector, line, arc labels.

Label requirements:

1. Greek symbols (phi, alpha, theta, ...)
2. showing a fraction ability (phi/2)
3. font style such as italic, bold, ...

I need to insert this drawing in my paper, but it will be great if an editor allow to watch the image in 3D.