DIY Led Heart Case

I have bought diy led heart kit and decided to create a case for it. I also added li-ion battery so it can be used without external power. Disclaimer:This device has li-ion battery and requires skills in electronics, so make sure that you have necessary knowledge and take all safety measures. Author is not responsible for any possible damage. Parts List:DIY Led Heart KitTP4056 micro usb charger with built in Step-Up.Don't forget to change current set resistor to appropriate value for selected battery.Don't forget to set step-up output to 5 Volts100mAh 302040 (30x20x4mm) Li-Ion battery with BMSNote: I haven't provided any references, but all parts can be easily found on aliexpress, ebay etc. Printing Material:I've used Eryone 3 color silk pla with default bambulab settings. But any material can be used.I also used fuzzy skin mode for case, which looks gorgeous. Printing and assembly notes: There's a thin wall in front of USB port in “case” model, which is necessary t