What is the truth?

[dkj4linux (David Johnson)]

I’m very happy with my Neje A40640. I’ve not done anything yet with 1/4" ply but other YouTuber’s have…

Best parameter for cut 3mm birch plywood

I don’t know which laser module you are using but here is my air-assist setup for a Neje A40640 dual-diode ~15W (optical output) laser. Cutting 3mm birch ply at 180 mm/min, 100% power, 1 pass. [20211122_114351] [20211122_115153] [20211129_105513 (1)] [20211117_151250] In action… [Mostly-printed Z-axis with Neje A40640 ~15W laser module.] Uses small aquarium compressor similar to this.