As requested by a Fan !!! here it is made is easily scalable to your need, with wall leveling triangle in the back and a led power exit on the side

Led Strip :

https://fr.aliexpress.com/item/1005003901833984.html?spm=a2g0o.order_list.order_list_main.185.12835e5bhv800X&gatewayAdapt=glo2fra

Led's BT controler :
https://fr.aliexpress.com/item/1005004712701330.html?spm=a2g0o.order_list.order_list_main.5.29405e5bT6IvfX&gatewayAdapt=glo2fra

Interested in selling my designs : https://patreon.com/Papa3dHomemadePrints