Position the plastic sheet so that the area you will bend is between two flat flame retardant surfaces like saw horses.
How to bend abs plastic sheet.
The reason this works is because acrylic plastic actually melts at 405 f.
Put on cotton safety gloves.
Plastic pipes are able to deform without breaking due to their ability to absorb stress.
If the area to bend is on an outer curve or bend or if you want to create a tighter corner try using a frying pan on low heat to hold the plastic area to bend.
Secure the sheet in place by using clamps on both ends.
Melting abs in an oven works well but should be done outside or in a well ventilated area.
Water boils at 212 degrees fahrenheit at which point abs becomes soft and rubbery but will not burn.
Take measurements to estimate the angle you might want the pipe to bend to.
Once heated it will bend easily.
Mark the location where you want to bend your plastic sheet using a permanent marker to make a light tic at either edge of the line.
Step 1 take measurements.