LED Triangle Light Painting Tool

Guide to Building a Professional LED Triangle Light Painting ToolBasic knowledge in electronics is required for this guide.For the 3D printing of this project, I recommend using PLA material. Optimize the print quality by setting a layer thickness of 0.2 mm and a nozzle size of 0.4 mm. Please adjust the fill density, material, and support structures according to your individual needs and preferences.Component ListFor the assembly of the electronic internals, you will need the following components:WS2812B RGB addressable LED strip with 144 LEDs per meterSP110E LED Controller (Bluetooth-enabled, compatible with iOS/Android apps)Single 3.7V 18650 battery holder18650 batteryRUNCCI-YUN push button (12 mm)Toggle switch (with wire, 23 mm)DC plug (5.5 mm x 2.1 mm)Wires, soldering iron, and patienceAssembly InstructionsLED Strip Assembly: Stick the LED strip along the front side of the triangle. Make sure to cut the LED strip at the corners and attach it along the edges. Pay attention to the di