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Once the general shape of a solid is established, it can be refined through other processes. These might include:
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Moving and/or rotating the model, or transforming it in some other way
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Uniting or intersecting it with another solid
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Subtracting it from another solid, or vice versa
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Adding blends to the model, such as fillets and chamfers
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Performing local operations on the model, such as offsetting
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Performing shelling on the model to create a hollow solid body
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Performing free-form deformations on the model
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