I just 3D printed one this week. I had to change the orientation of the print and some other things to suit my printer. I found a link somewhere that took me to Onedrive where I found more than a dozen files for the FlipSky 65161 motor. I can send you the files if you want.
Found my FlipSky 65161 100KV motor on banggood for $310.00 +tax.