My brother and I have been collaborating on engraving some fine art drawings (his) on to PG plywoods. I did some smaller ‘sample’ sizes and sent them off to him. He mentioned during our phone conversation yesterday that those samples have already warped coming from damp Oregon to dry New Mexico. We are wondering if gluing them completely onto another larger piece of PG would help curtail the warping? My other thought was, would it make any difference if the engraved piece had the grain going one way and the second piece (the gluee, if you will) had the grain going the opposite direction?
Any and all thoughts and suggestions will be most appreciated.