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After over a year and a half in development it's time to start building the low cost diode laser engraver/cutter I've been designing! At this point the design is already somewhat outdated since it uses lead screws which I definitely wouldn't do anymore if I were to start from scratch, but at least this approach is more interesting for you guys to watch than the (arguably superior) but dull as dishwater NEMA 17 direct belt drive.
The linear rail system with Vgroove POM wheels rolling on 2020mm aluminum square tubing turned out really awesome though. I can't wait to see this machine do its first cuts!
The design for this machine will be open source as soon as I get around to redesigning the Xcarriage to fit Nema 17 steppers.

MDF hygro expansion resources:
https://www.finewoodworking.com/forum...
https://wilsontimbers.com/media/wysiw...

If you decide building something similar, please consider supporting my work by purchasing components through these affiliate links, this way I may receive a small comission without any additional cost to you:

Power supply (I got the 12v 8A version): https://s.click.aliexpress.com/e/_DBU...
POM Vgroove wheels ( Vgroove version): https://s.click.aliexpress.com/e/_DFr...
GT2 idler pulleys: https://s.click.aliexpress.com/e/_DCC...
GT2 pulleys (nonstandard ID): https://s.click.aliexpress.com/e/_DeO...

In any case though I recommend getting stuff during one of Aliexpress's many sales as it's a bit cheaper then. The power supply for instance I got for under $7, the 5A version would've been sufficient, but I picked the bigger one because I could.

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Get my best photographic works on Shutterstock:
https://www.shutterstock.com/g/Floraf

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https://unsplash.com/@floraf
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Additional sound effects from https://www.zapsplat.com