wltoys 12428 battery tray widener
thingiverse
Trying to put your 3s li-ion into 12428? no chance. Trying to put your any good enough battery into 12428? no way... Welcome the battery tray widener :D With this you can load in your 3s-18650 easily and make it steady with velcro band holes are for zip ties to hang up some equip (like LV buzzer) or fixate batteries To print second one - just mirror it. use it at you own risk :D check https://loess.ru/tag/3d-print/ for more
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