Mark or scribe the circle and drill a 1 4 inch pilot hole slightly inside the perimeter.
Cutting a hole in acrylic sheet.
Apply strips of painter s tape over the area to be cut in parallel strips allowing some overlap from one strip to the next.
How to glue plexiglass sheets when the need arises to stick together pieces of plexiglass sheets there is an array of glue options to choose from.
Measure the ruler against the cutting line and then draw the knife repeatedly down its edge gradually increasing the pressure with each pass.
Place the 1x4 inch piece of wood across the acrylic sheet and secure the plank to the top of the acrylic sheet.
Put the blade through the hole to start the cut then saw around the circumference.
It s not as easy as i thought it would be.
How to drill an acrylic sheet step 1.
How to cut big egg shaped hole in a plexiglas.
Make sure the cutting attachment is cutting straight up and down and not at an angle.
Continue until you ve scored a deep line in the plexiglass it may take as many as ten or twelve scores then turn the slab over and repeat the process.
How to cut acrylic by hand clamp down the straight edge on the cut line.
Lay the 3 8 inch plywood on a firm flat surface that allows you to work easily and place the acrylic sheet on.
Put on your safety.
Begin cutting along the line you made when preparing the acrylic sheet.
Score the cut line.
The scrap piece you are cutting off should be over the edge since a fall when it is cut off might damage the acrylic.
This will prevent damage while cutting and allow you to draw a template on the acrylic or plastic.
Here s what i ve learned about cutting acrylic with a hole saw.
Use a saber saw or jigsaw with a fine toothed blade for larger circles.
Score the acrylic several more times along the same line then place the acrylic on the edge of the table and use light quick pressure to snap the piece in two.
If the hole you intend to cut will be 2 square inches you should tape an area twice that size.
With a straightedge as a guide pull the blade toward you leaving a score mark.
Plexiglass can scratch easily which is why it s sold with a protective.
Make 5 10 scratches with the scoring knife along the straight edge until you ve cut about halfway.
Snap the acrylic at the cut.