What is an example of 3D CAD?

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Prepare for the WJEC Design Technology Exam with detailed flashcards and multiple choice questions, each question comes with hints and explanations. Equip yourself for success!

Multiple Choice

What is an example of 3D CAD?

Explanation:
Designing objects in three dimensions on a computer is what 3D CAD is all about. The device that uses that digital 3D model to build a real object is a 3D printer, which adds material layer by layer to create the final shape. The other options all relate to flat, 2D outputs or cutting operations on sheets of material rather than building a 3D object from a model. A 2D printer prints flat documents, while a laser cutter and a vinyl cutter cut or score material from flat sheets. In practice, you model in 3D software, export a file like STL, and feed it to a 3D printer to produce a physical prototype.

Designing objects in three dimensions on a computer is what 3D CAD is all about. The device that uses that digital 3D model to build a real object is a 3D printer, which adds material layer by layer to create the final shape. The other options all relate to flat, 2D outputs or cutting operations on sheets of material rather than building a 3D object from a model. A 2D printer prints flat documents, while a laser cutter and a vinyl cutter cut or score material from flat sheets. In practice, you model in 3D software, export a file like STL, and feed it to a 3D printer to produce a physical prototype.

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