- Make plastic wire
<1>Cut a soda bottle into a spiral. The width of the strip in the picture is about 4 mm.
<2>Sit and hold a hair dryer (or a heat gun) between both knees. Heat the plastic strip and wind it around while pulling it with both hands. (Polyethylene terephthalate [PETE] plastic becomes soft by 70 ℃.)
<3>Remove the strip from the hot air occasionally to allow it to cool down and fix the shape.
<4>Continue until as much of the plastic strip as you want has been twisted.
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