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Step 4Heat Forming
If you are sensitive to the material, you can heat form it without burning it. I heated both sides of the plastic with a propane torch flame. The heat has to reach the center in order to achieve flexibility. That takes time. Impatience sometimes results in burned plastic.
You want the head piece to fit comfortably on your head. The contact surface is spread out by heat forming the plastic to take the contours of the head.
In this step, I heated the sides of the piece that made contact with my head and pressed them down over my hat. The hat protected my scalp from the hot plastic. When the plastic cooled, it hardened up again.
When the plastic was formed, I drilled four holes for passing the nylon string through that serves as a chin strap.
You want the head piece to fit comfortably on your head. The contact surface is spread out by heat forming the plastic to take the contours of the head.
In this step, I heated the sides of the piece that made contact with my head and pressed them down over my hat. The hat protected my scalp from the hot plastic. When the plastic cooled, it hardened up again.
When the plastic was formed, I drilled four holes for passing the nylon string through that serves as a chin strap.
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