Overall, the original model is fantastic and very cute! 
But, after printing a couple of them for some colleagues, I decided to make a few improvements:

1. Increased thickness of the trunk significantly, making it much less likely to snap.
2. Removed floating layers over the front and rear legs
3. Increased legs “axles” thickness by 50%, making them less likely to snap (as requested by @ccbailey)

There are still some quite aggressive overhangs over the legs, but at least it is no longer floating lines, which will just end up being stuck someplace else on the model :-)

Trunk

Front Legs Floating Layers

Back Legs Floating Layers