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Engineering Graphics & CAD · Problem type
Add, remove or copy
Use this for “Does a shell feature add material to the part, remove it, or copy other features?”
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What does the feature do to the part?
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A boss builds solid from a sketch, a cut takes it away, and a pattern repeats what is there.
Assumptions
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Revolve, sweep and loft here are the boss versions; each also has a cut version that removes material.
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A pattern or mirror copies features already in the tree, so it needs them first.
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