Synchronous technology allows designers to freely make changes to design intent using the 3D model faces themselves, allowing for intuitive changes to designs. In addition to the above two approaches, recent developments in research have led to a unique “synchronous” approach, leveraging the strengths of both history-based and direct modeling in a single environment. ![]() Editing is done by simply selecting what you want to change and changing it. ![]() There are no sketches driving features that make up the part. Direct modeling doesn’t maintain a history of features or record how a model is built. This creates predictable results from edits on underlying feature sketches using precise dimension changes. In history-based modeling, the structure and order of features control how models react to changes or edits. Traditionally, there are two main approaches to creating and modifying geometry in 3D CAD: history-based (also known as ordered or feature-based) modeling or direct modeling. These three-dimensional models can be used in simulation studies to predict how the object will respond to stress and environmental factors, they can be rendered to create a photo-realistic images for use in sales and marketing materials and/or detailed drawings can be sent to manufacturing for production (or, in the case of additive manufacturing, the CAD file can be sent directly to a 3D printer). ![]() CAD software is faster, produces precise designs, integrates easily with digital workflows and enables users to amass a searchable and widely accessible library of designs and design knowledge. Architects, engineers, commercial and industrial designers, and artists often use CAD software to make multi-dimensional designs and models.ģD CAD software is widely used because of its many advantages over manual drawing. CAD (computer-aided design) software is used to create, analyze and/or change two- or three-dimensional designs and models in a digital environment rather than using manual drafting methods.
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