AAA battery adapter for external power
Description
A battery adapter if you want to power your AAA battery operated gadgets with a wall power adapter. Print two copies of "AAA battery adapter for external power". One for plus and one for minus. Use a M3 screw to fasten the power lead to each adapter. Max thread length is 20mm. Also added a AAA battery dummy if you need to fill the battery compartment for stability reasons. Edit: now the M3 thread goes all the way through.
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