Plastic Forming Machines
Two machines which aid the effects designer are the vacuum-forming machine and the expanded-polystyrene cutter. They are obtainable commercially, but where it would be uneconomical to buy them, they can be built cheaply and simply for short-term usage.
Expanded-polystyrene cutter
This comprises a work-top and an overhead beam which supports an electrically heated wire. Its function is to aid the cutting of small, complicated shapes in expanded-polystyrene in the same way that the fret or jigsaw cuts plywood. It also allows parallel slices or strips to be cut from block material. The work bench supports an arm to which is fastened one end of a nickel-chrome wire. The other end is fastened under the table and is spring-loaded ...
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