Start at the wool setting and slowly increase the iron temperature until the plastic feels warm.
Best way to bend plastic sheet.
Screw the boards together through the second board straight into the base board placing a screw every 6 inches.
First experiment with a few scraps to get the time and heat right.
Ensure good ventilation because heated acrylic creates mildly toxic fumes.
You can also sandwich the shaped plastic between a folded sheet of foil and iron the foil to heat up the plastic.
Secure the sheet in place by using clamps on both ends.
Put on cotton safety gloves.
Slip the kevlar on and position the assebly on your choice of straight surfaces energize place plastic on element and wait till bercomes taffy like and make your bend.
I have foung that simle carpeners square will damn close 90 degree.
Overheating will melt the plastic.
You can see this in the video below.
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Mark your plexiglas sheet along the line where you want to bend it.
Diy soda fountain machine.
Make your pressure on the acrylic as even as possible while you push.
Position the plastic sheet so that the area you will bend is between two flat flame retardant surfaces like saw horses.
The foil will not stick as long as the plastic does not melt completely.
Use the spare piece of flat scrap wood to push the acrylic back and down while you aim the heat gun at the acrylic.
Principally using a heat gun to bend a polycarbonate sheet is the same as hot line bending.
To set up your plastic or acrylic sheet to bend simple curves for your miniature and model projects you need to first remove the protective covering from the material you wish to bend.
This is the completed form you will use to bend your acrylic sheet.
Use long thin 1 inch or so in width test strips to practice your technique and learn how your particular heat source affects your chosen thickness of plastic.
Heating is a slow process in order to make sure that you get a straight bend in the acrylic.