Bowling trophy multicolor

I mostly just separated the shells in the original file into parts, then extracted the rings on the pin.

You should be able to print all 4 colors on any dual-color-capable printer by switching one of the colors when inactive because thanks to the original design at any moment at most two colors are needed.

You might need to enable clipping of multipart objects in your slicer (Print settings->Advanced in Slic3r)