This battery dispenser automatically sorts AA and AAA batteries
Single piece. assembly work is not necessary
Easy to print. It does not require support structure
Video
Sorting mechanism
On the slide path, there is an oblique hole that passes AAA battery only.
How to make
Print the model as supplied posture.
Do not use support structure. If some supports are generated in the structure, it is very hard to remove. All overhangs are slanted inside and out, and it does not require the supports.
note : When the dispenser is empty, the first battery sometimes pops out from the bottom outlet.