The first thing you need to bend acrylic is an acrylic bender. You can buy one for 200 dollars or you can build one. I suggest building one since it is a lot cheaper. I built mine using a heating element strapped to a board. All of which I purchased at a local supplier. The element sits between two boards that are attached to a main board with a gap between. The element sits about 1/4″ down from the top surface of these boards. This way you can heat the plastic without melting it to the element. I covered the boards in tin foil to help protect them from the heat and also to reflect the heat more toward the acrylic… Thanks jher! [via] Link.
HOW TO bend acrylic