Science fiction 28mm base

A quick mock up I made for a Science fiction base for a 28mm game.
It is designed for FDM printers and so has little detail, but enough for a 0.2mm nozzle with a 0.2 layer height to pick up.

Note: I have noticed that the bolts do not come up properly on cura. I would remove or edit it usually, however I figure it is still good to keep up as an example for other designers on how easy it is to design such a base.