Open Heart Case
thingiverse
Nikolas Coukouma's Open Heart has a unique case that you must explore. To utilize it effectively, follow the instructions provided. It will prevent any damage caused by opening the battery case accidentally. However, locating the kit seems to be an issue; here's the link to Jimmie P Rodger's original version: http://jimmieprodgers.com/kits/openheart/makeheartv1/. Check it out for a proper guide!
Download Model from thingiverse
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