Yamaha Superjet Freestyle Pump cone (tested, works. 1mm small)

This is a Freestyle pump cone for the 144mm stock yamaha superjet pump. Designed it by taking measurements off stock one and making it shorter. I haven't printed it yet to test fit. I have installed it on my pump. It fit quite well. I used a tiny bead of RTV around the outside edge to fill in the imperfections/ridges on the mating surface.
Edit 4/3/17
Took it for a test ride. And so far all is well, stayed attached. Nothing broke off. No leaks.

I included the Solidworks file so one can ed