Moon Rocket - easier to assemble

This is a great model from [BrianS2K](https://www.thingiverse.com/BrianS2K/about) ([https://www.thingiverse.com/thing:3044216](https://www.thingiverse.com/thing:3044216)). I printed the bigger version, but can't assemble the center parts because of the too small tolerances.

So I made a remix with a new (little bit thinner) center part of the rocket with also shorter screw-ends which where also not to assemble. The other parts are still the original parts from [BrianS2K](https://www.thingivers