Nice laser engraver build

https://content.instructables.com/ORIG/FR6/6I82/L4CR2PG5/FR66I82L4CR2PG5.jpg?auto=webp&frame=1&width=320&md=aa0b65742b93307b94fb01a50bca5bea

All from scratch, my 2 cents, I would go with a kit that has open source controller.

https://www.instructables.com/El-Cheapo-50cmx-40cm-500mW-Laser-Build-and-Modific/