Once you ve scored the initial line go over it a few times with the blade until a groove forms.
How to cut acrylic sheet.
Use an o flute up spiral plastic cutting bit to cut acrylic with a router.
Measure the ruler against the cutting line and then draw the knife repeatedly down its edge gradually increasing the pressure with each pass.
Be sure to use a compressor to keep the sheet in position to avoid chipping and more time needed to polish the cut.
Use acrylic point drill bits to drill holes in acrylic.
For best results use another tool like the earlier mentioned table saw to cut your acrylic roughly before getting a more exact finish with the router.
Mark the area of sheet you want to cut.
Place the sheet over hard edge with groove side up.
Use scoring knife to cut a narrow groove in the acrylic sheeting scoring preferably works on sheets less than 6 35mm in thickness.
Routers can be used to cut acrylic for both curved and straight cuts.
Use a 7 1 4 plastic cutting saw blade to cut acrylic with a circular saw.
Use a 10 plastic cutting saw blade to cut acrylic on a miter saw or table saw.
Thicker plexiglass strangely enough allows for the simplest of the cutting processes.