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CAM also known as Computer-aided Modeling or Computer-aided Machining. The term CAM stands for computer-aided manufacturing (CAM). Development of size set pattern by grading.Making the most efficient cutting marker.Determining cutting average for costing.In large-scale apparel industries CAD is widely used for the following functions: These state-of-the-art modeling CAD packages help architects, engineers, and designers in their design activities. Most of the CAD software packages have the provision to create three-dimensional (3D) models that can be rotated and viewed from any angle. Use of CAD does not change the nature of design process but aids the product designer. The core of a CAD system is its software, which takes input from product designer, makes use of graphics for storing the product model, and drives the peripherals for product presentation. The hardware includes graphic devices and their peripherals for input and output opera­tions, while the software package manipulates or analyzes shapes according to user interaction.

The CAD system is usually a combination of hardware and specifically designed software. The term CAD stands for computer-aided design and is defined as the use of information technology in the design process.