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Solid Modeling Swept Solids
Swept Solids
Solid primitives can also be created by: Extruding
Revolving Sweeping
an existing twodimensional closed object
The closed twodimensional objects are called closed profiles
All primitives can be created with a sweeping operation
Extruded Solids An extrusion is a:
Manufacturing process that involves forcing a material through a shaped opening
Modeling process that creates a 3D shape by translating a 2D profile along a linear path
AutoCAD Extrusions
To create an extruded solid in AutoCAD:
Create a close polyline in xy plane of current UCS
Extrude polyline in z direction of current UCS
NOTE: AutoCAD command EXTRUDE
Revolved Solids
A revolution is a modeling process that creates a 3D shape by revolving a 2D profile along a circular path
NOTE: AutoCAD command REVOLVE
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