Glowing WLED or LED broken heart

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Shopping list
18 x WS2812B RGB Led (AliExpress)
1 x Wemos D1 Mini V3.0.0 (AliExpress)
Wire thin 30AWG (AliExpress)
Black Filament - Sunlu Black
Warm white Filament – ESun white-B
Solder tin
4 x 3 mm x 6 mm long screws
Glue
5 Volt usb micro adapter

Print the heart in black or other non-translucent color.
Cover plate "Gebroken heart lens.stl" warm white or white, for example, Esun white-b.

Put some glue on de edge of the lens, and place the lens in the heart and press firmly.
Glue the leds in the holes.
Use glue for the back.

Programming the Wemos
its very simple, look here:
https://kno.wled.ge/basics/install-binary/
Metthod 3: ESP Home Flasher tool

Link to the flasher:
https://github.com/esphome/esphome-flasher/releases

Link to the bin file:
https://github.com/Aircoookie/WLED/releases

Open the ESPHome-Flasher-1.4.0-Windows-x64.exe
Choose the comport that your WEMOS is on
Browse in the flasher to WLED_0.13.0-b6_ESP8266.bin
Click on Flash Esp

Thats it

Do you find it too difficult to program the wemos? 
Then use ordinary colored 5mm LEDs with the file "WS2812 to 5 mm led converter.stl"