Recommended · for some experience
3D printer to laser engraver for under $60
Why people recommend it
Cited as an accessible guide to adding a low-cost laser module to a Creality 3D printer, including how power is fed to the laser.
Watch for: Laser eye safety; may involve swapping fan cables
In their words
Here is a handy video tutorial, which shows how easy it, in fact, is: 3D printer to laser engraver for under $60
Greenonline on 3dprinting.stackexchange.com, Oct 2021. CC BY-SA.
When scanning the respective web pages/answers on here and YouTube videos, it seems like you usually unplug cables for fans and swap them with laser, etc.
Joseph Crozier on 3dprinting.stackexchange.com, Dec 2021. CC BY-SA.