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What's the dot size?
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I'm pretty late to the laser cutter party, but I just wanted to chime in with the standard warning about proper ventilation.
You'll need an exhaust system that vents the fumes outdoors.
Only some types of plastic can be safely cut with a laser; cutting PVC gives off hydrochloric acid (amongst other toxic gasses) which will corrode your optics, and even 'safe' materials like wood can give off carbon monoxide.
I found this, specifically about leather:
Genuine leather can be safely laser cut or engraved, but ensure that
if it has been tanned then it is “veg-tanned” otherwise it will have
been treated with chromium salts that will release dangerous particles
when laser engraved.Materials that cannot be laser cut or engraved:
Artificial Leather containing Hexavalent Chromium (Cr[VI])
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How complicated is the shape and how accurate do you need to be?
You can have custom leather cutter stamp things made. They look like a cookie cutter but obviously more robust.
Try https://www.cactusleatherlondon.com/our-services
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@nick_h.
I'm trying to choose a laser cutter to cut leather. Could some clever people please help me assess this review? https://hobbylasercutters.com/atomstack-a5-20w-review-test/ The Atomstack A5 is widely available secondhand. This review is of the 20W base model. It says the dot size is big, and makes for relatively jagged cutting and engraving. But the A5 Pro, which is 40W, has a much smaller dot. I don't know whether dot size will matter when cutting a fibrous material such as leather. But I would like my results to look great when studied from a distance of 1 foot. Clean straight edges please. Not jagged.