It's a simple dummy root type supercharger, that can make your loved toy much more outstanding.
You can cut through your chassis and fix the supercharger with a support from below, (that is that I did) or simply just fix on the top of the bonnet of your RC with some kind of glue/tape/screw. . .etc. (double side tape is quite practical. I use this to prevent the damage of the chassis during fall over)
My print resolution was 0.2 with slow speed. on 250 degree celsius. But I suppose the 230 would be much more enough, with my ABS. (next time ;-) )