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Drawings shall be fully constrained and dimensioned. Where possible they shall inherit dimensions from other sketches and parts. When multiple features are being defined from the same plane they shall all be in a single sketch.

2D sketches are highly preferred over 3D sketches. A 3D sketch may be substituted for a 2D sketch where the geometry cannot be defined by a 2D sketch, such as a helix or complex loft.

Parts

Parts shall be dimensioned as they are to be constructed. Tolerances for fit and function shall be modeled. Internal threads may be modeled with Solidworks cosmetic threads feature or modeled explicitly (as required by digital manufacturing). External threads shall be explicitly modeled.

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