SUNLU filament spool piggy bank
prusaprinters
Makes it where you can turn one spool into a piggy bank or you can stack multiple to have a huge bank. One side of the spool is bigger than the other that is why one end of the parts may not fit one side. I accounted for this by making the coin slot part able to fit the small diameter side of the spool and the end cap able to fit the large diameter side of the spool. The joiner piece has a large and small diameter side respectfully. You can stack as many spools as you want to have a HUGE bank.
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