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Basic Information

Fused Deposition Modelling is a non-laser based rapid prototyping process that produces three dimensional solid objects directly from CAD models.

The machine is basically a CNC controlled robot carrying a miniature extruder head. The solid objects are built "string by string" by feeding the head with a plastic wire. Once in the head, the wire is heated to just above its melting temperature, and it is deposited onto the previous layer of wire. Once in contact with the cold layer underneath, the wire immediately freezes and adheres to the underlying layer.