Flatten bottom, and added small support under tail for easier printing. I also added a ring to enable to my Fablab students to hang from there backpacks.
Prints without any supports now if kept small.

Great Design, Thanks bs3

Prusa

Prusa Mk2

No

No

0.15mm

15%

I printed at 0.15mm, 0.8, two shells, 15% infill. At 85% scale to keep the time per part near 1 hour run time.