So my kids cut the legs off one of my articulated bugs and it actually looked pretty cool. So I modded the bug... into a slug :D
Prints fine hollow, but 100% infill gives it a realistic weight.
Tip for removing from your printer: Stick a putty knife between two body segments and twist it. This should be enough to pop them loose.
Makergeeks Nuclear Green PLA
Clearly, I'm not a hand model.
I design and print stuff for my kids. I hope yours will enjoy them too!