Cutting thin sheets of plastic secure the sheet to a large work surface with a clamp.
Best way to cut hard plastic sheets.
The blade can be steel or carbide tipped.
Measure along the side of the thin plastic sheet and place a mark with the felt tipped marker at the length you.
Push the acrylic through a table saw for a straight cut.
You can cut through thick acrylic and polycarbonate sheets with a circular saw or a tablesaw.
Push the acrylic through the table saw at a steady pace being sure to keep your fingers out of the way of the saw.
To minimize edge damage use a blade designed to cut rigid plastic it has teeth of uniform length and they have a uniform rake angle of 0 to 10 degrees.
Flip over the sheet and repeat the scoring process on the opposite side along the same.
Start at one edge of the mark you made.
Mark your desired cut line using a straight edge then score the sheet of plastic with the utility knife making several.
Place the thin plastic sheet on top of the plywood.