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Pros / Cons

Advantages:

• Quick generation of models: parts are produced within minutes to a few hours.

• Accurate models: accurate to within 0.005 in.

• Limited design restrictions: can produce any valid solid shape that can be designed on a CAD application.

• Automatic scaling: accurately scales part to fit inside machine production space.

• Easy to use: the whole process is computer controlled.

• Quick change of material, if a different material is needed.

• Clean process: no waste of material during or after producing the model.

• No worry of possible exposure to toxic chemicals, lasers, or a liquid polymer bath.

Disadvantages:

• Limited material: works only with a few plastics and ceramics.

• Limited size: size can not always be as large as needed.

• Cost of actual machine: inital investment for machinery is expensive.