I have been almost exclusively cutting 2-5mm plywood of all different qualities and types for over 2 years and hundreds of intricate pieces with no ill effects. Of course the resins make it so you have to wipe things down every 6 months with solvent, but that is no big deal. One thing i do that saves some time is coat the front panel with wide masking tape, which is where the resin builds up the most. That allows me to just peel it off and add a new layer when it gets grody. Some cheap plywoods have lots of voids that are filled with a filler that does not cut. You can do test cuts on the side of the panel to see where the filler is. Sometimes a panel has too much and I just junk it.
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