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• Printing and Plotting
It enables users to create high-quality prints or plots of their drawings, including options for scaling, page setup,
and printing parameters.
3. Applications

• Engineering Drawings
2D CAD is extensively used in mechanical, civil, electrical, and architectural engineering for creating technical
drawings and plans.

• Architectural Drafting
Architects use 2D CAD software to produce floor plans, elevations, sections, and construction details for buildings
and structures.
• Product Design

It is used in product design and manufacturing industries to create detailed drawings of components, assemblies,
and manufacturing specifications.
• Documentation

2D CAD software is also used for documentation purposes, such as creating schematics, wiring diagrams, and
parts catalogs.
4 Examples of 2D CAD Software

- Auto cad lt
- Draftsight
- Turbo cad 2d
- Librecad

- Corelcad (2d version)
Overall, 2D CAD software is a powerful tool for creating precise and detailed technical drawings, facilitating the
design and documentation process across various industries.
3D CAD (Computer-Aided Design)

software is used to create three-dimensional digital models of objects, components, or architectural structures.
Here’s detailed information about 3D CAD:
1 Purpose
3D CAD software is used for designing, modeling, visualizing, and analyzing complex three-dimensional objects
or systems. It enables engineers, designers, architects, and manufacturers to create detailed and accurate 3D
representations of products, buildings, machinery, and more.
2 Features
• Modeling Tools

3D CAD software provides a wide range of modeling tools for creating complex shapes and geometries,
including extrusion, revolve, loft, sweep, fillet, chamfer, and boolean operations.
• Assembly Design

It allows users to assemble multiple components together to create complex assemblies, with tools for mating,
aligning, and simulating motion between parts.
• Parametric Design
Parametric modeling enables users to create models with dimensions and parameters that can be easily modified
and updated, ensuring design flexibility and adaptability.
• Surface Modeling

Advanced 3D CAD software offers surface modeling capabilities for creating organic shapes, curved surfaces,
and freeform designs.

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CITS : CG & M - Fitter - Lesson 28