Recut of sitts314's USS Enterprise

This is a recut of sitts314's excellent TOS enterprise model. I was having problem printing the saucer without warping causing serious problems at smaller scales, so I broke off the saucer and sliced it horizontally. This requires more assembly, but makes the saucer look better. I also recut the nacelles and pylons, which should make that assembly slightly easier.

**Note:** Since originally posting this years ago, I've created my own, more detailed and accurate, version of the Constitution wh