Depends how accurate you want it, it was a good effort from Isel, and it was way back when no more ref was available, but its pretty off in some areas....make a nice easy display model i guess at a fraction of doing it all for real.
The other way is to do what me and a few good friends did, and scratch build it on an alloy stop motion armature, but, just depends on what you want to spend, its not a cheap one for such a small prop.
lee