A Laser on the Anycubic i3 Mega and not really difficult to build? With that Laser Adapter you can switch easily between 3d-printing and Laser-cutting/engraving.

I have redesigned the quick release Laser Adapter to fit on the Anycubic i3 Mega. The 500ma Laser is attached to the (+)positive and (-) gnd line of the Fan0 Port (trigorilla 1.1) and controlled via Gcode. I have set a Switch to cut off the Fan, if I using the Laser! That's because the Fan0 Port is limited to 500ma. So you only can use the Laser or the Fan! Keep it in mind! The Switch must be set to the (-) gnd line of the Fan0. Otherwise the Fan don't turn off!

A Laser can be found here:
DC 12 V 500 mW 405nm Laser on Amazon (that is exactly the one i used)
https://www.amazon.de/2500mW-5500Mw-Fokussierbare-CNC-Stich-Graveur-Lichtmodul-Fr%C3%A4ser-Maschine/dp/B083152MD7/ref=as_li_ss_tl?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=Laser+Module+Head+500mw&qid=1581590308&sr=8-4&th=1&linkCode=sl1&tag=847568-21&linkId=5d8c65129e40926637cab1e3270c54fc&language=de_DE
or
LA03-500 405nm 500mW Blue Laser on Banggood
https://www.banggood.com/custlink/3vKGQfA6kC
or
FB03-500 500mW 405nm Blue Violet Laser Bangood
https://www.banggood.com/custlink/DmGmN1n62V

The Y-Axis is moved 8,0cm forward. Therefore i have bought a steelplate to compensat that and attached it to the buildplate (see the pictures).

A complete Guide "How to install the Laser" i have written on my blogpage, if you interested here is the link: https://www.quadflyer.net/anycubic-i3-mega-laser-engraver-mod-update/
On the left side you can choose your language.

For more Laserpower you have to use a extra power source and for example a MOSFET. A Graphic for the connection you can find on my blogpage. Follow the Link above.

That's all, have fun with Laser Cutting and Engraving.
Balsawood works really well with cutting and engraving.
Sticker will work well, too.

original Laser Adapter Part is from here
https://www.thingiverse.com/thing:2592279