Video to creat lithophane https://youtu.be/843LuxUamBs
Video to make eletric parts https://youtube.com/shorts/1e1DOw8nhJI?feature=share
use this site to creat the lihophane https://itslitho.com/
Lithophane scale 80x80 mm
led white https://s.click.aliexpress.com/e/_9z6kJn
18650 batterys https://s.click.aliexpress.com/e/_DkcBHMV
Battery charging module https://s.click.aliexpress.com/e/_DDoIqPR