How does Acrylic differ from plexy? Seems to refer to the same thing her down under.
I hadn't planned to buy the air exchanger system, but rather just have a decent ducted system with some largish fans. How much air needs to be moved? I presume the issue is the heat of the laser tube?
The justification for this would involve a lot of unpaid work at first repaying the cost of the machine. There is quite a market for fan grills etc.
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