I have gone through dozens of sheets of Sandeply. It engraves pretty well but I mostly used it for our Robotics Team FRC Robots. The wood is very soft and a bit fuzzy. Sanding is necessary for anything "nice". I always had HD cut it in half, rotate the two pieces, then cut in half again. That gives 4 2'x4' pieces with the grain running in the long direction.
woodchuck.jpg