Maw Bank
thingiverse
I decided it had to start as just a keychain, yet obviously needed to become an actual coin bank! I should print mainly support-free. The only area that might require them is under the hands, but the ones I printed turned out fine at 0.2mm with no supports. There's sacrificial bridging right at the top of the inside which can be poked away once the print is finished. It was designed to be printed at 0.2mm layers, 0.25 and maybe 0.3mm would work but if you need a file with layers over that let me know and I'll make the bridging for you.
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