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I originally designed this to print without supports, but after doing the first test print I found that it does need supports on the lower portion of the handle at the back of the lowest fin.
Also, while the ears will print without supports, I recommend using them for the sake of your sanity...That overhang gets a bit nerve-racking!!
I printed the test piece with the following settings and it came out really nice, but I plan on doing another test with a .4 nozzle to see if it makes a noticeable difference in quality.