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Chapter 25. Introduction to Mechanical Desktop > Constructing a 3D Solid Model

Constructing a 3D Solid Model

The simplest way to describe how to produce a solid model is first to construct a sketch or profile of the base shape you want to model. Several different tools in Mechanical Desktop aid you in producing your 3D shape:

  • Extrusion—The profile is extruded along a linear distance perpendicular to the profile plane.

  • Lofted Feature—A parametric shape is created from a series of profile sketches defining the cross-sectional shape of the feature at each section.

  • Revolve—A profile is revolved about an axis of revolution.

  • Face Split—This tool supplies the capability to split an object's face using either a planar or a projected method to create two parts.

  • Sweep—A profile is moved along a defined path.

  • Boolean—In this solid modeling technique, two solids are combined to form one solid. Boolean operations include cut, join, and intersect. Cut subtracts the volume of one solid from the other; join unites two solids; and intersect leaves only the volume shared by the two solids.


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