It's a Tintin-style moon rocket, with a little loop so you can hang it from a tree.Print the two halves, and stick them together. There is a little hole that you can use to stick some filament to use as an alignment aid. The rocket plate STL file has top and bottom halves nested together, it will fit on a Thing-O-Matic build platform. It is also scaled up 150%. Use 3mm filament for your alignment pin. The separate top and bottom half files are at the original scale. (Quite small). For extra points, you can edit the OpenSCAD file if you want to change the loop position to the top of the rocket - in the hull() module there are two lines for adding the loop, one of them on the side (active) and the other commented out (loop on the nose).