Cute little space rocket

This cute space rocket was designed for a BlocksCAD tutorial for kids.
It is (a bit) inspired by the space ship of _Tintin_ from _Destination Moon_ (_Objectif Lune_ in French)

It can be printed with no support. There's just a small overhang on the main body bottom.

Provided files :
* xml for importation into BlocksCAD
* OpenSCAD file extracted from BlocksCAD
* stl file created by OpenSCAD

**Note:** when created with BlockCAD, the stl is non-manifold. No problem when exported by Open