Probably nobody.
Me, I wouldn't touch Corel with a 10 foot pole, not because its bad software, but Corel bought out my preferred software (at the time) Micrografx Designer and then dumped it, so I have an issue with the company, Corel, not the software. I purchased an air brush once with the intent to use it and I never did. Laser cutters are for cheap low end products like key chains (not a business I'd even consider). So there's nothing in your previous question that I could give any kind of answer, nor care to... so as Acorn stated, I can't help you (and likely no one else either). Your issues are so specific, that unless someone is involved in everything that you are could an answer even be given. I think you're just out of luck.
Visit a Corel forum is probably the best advice given so far.
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