Once you ve scored the initial line go over it a few times with the blade until a groove forms.
How to cut and drill acrylic sheets.
Lay the 3 8 inch plywood on a firm flat surface that allows you to work easily and place the acrylic sheet on top of the plywood.
A brief shop tip on how to drill clean holes in acrylic and other plastics.
To drill your plexiglass sheet you may consider acquiring a plexiglass drill to simplify the process.
Place the 1x4 inch piece of wood across the acrylic sheet and secure the plank to the top of the acrylic sheet by clamping.
How to drill an acrylic sheet.
However the likelihood of melting chipping cracking or breaking the acrylic is much higher.
With the necessary equipment ensure you practice the drilling process on smaller pieces of plexiglass sheet before you work on the main sheet.
When drilling acrylic be sure to use a good quality hss drill bit.
Then score the line using a plastic scoring blade using the ruler as a guide so your line is straight.
To cut acrylic sheets start by marking the line you want to cut using a ruler and a permanent marker.
Ensure you go slow stop often to cool the drill and always support the sheet.
Start with a small drill bit see link below to pilot holes and work up to the size you require.
Do not force the bit into the acrylic let it cut under its own weight and should the drill bit get stuck in the platic sheet put the drill into reverse to get it out.