I had a problem that after installing the backlight from:

https://www.thingiverse.com/thing:2797456

I didn't know how to carefully insert the button, and at night I was annoyed by the extra light from the printer, so I quickly drew and glued it on a double-sided foam tape. I hid the wires inside by soldering the buttons to the contacts and wrapping them with thermal insulation.

Link to the buttons:

https://aliexpress.ru/item/1005001513148147.html?spm=a2g2w.orderdetail.0.0.61df4aa6vqXdnO&sku_id=12000016417124501

I took 5 pieces with free shipping to my region for $0.6, which is very cheap