For 1/2-inch plexiglass, a saw with a fine-tooth blade is the reliable method — scoring and snapping works best on thinner acrylic.
For the full breakdown, see our best 1/2 Inch Plexiglass guide.
One wrong move turns a 1/2-inch sheet of plexiglass into cracked scrap, and the wrong move is usually the score-and-snap trick left over from thin hobby sheets. There’s no magic to cutting 1/2 inch plexiglass — the job comes down to one decision: a power saw with a fine-tooth blade made for plastic, with the protective masking left

