![]() This allows the engineer to keep design intent while constructing and altering the model because any changes made will follow the defined parameters that inform the model how to function. The features are also regulated by parameters set by the engineer who created the model. Each feature is created by manually entering dimensions, ensuring that every measurement and angle is precise. This is because it keeps track of the model’s features, and as new ones are introduced, they are catalogued in a list called a feature tree, which makes them easy to update. Parametric modeling, often known as history-based modeling, is a systematic engineering technique. However, because each stage builds on the one before it, parametric design can demand meticulous planning. 2D sketches are converted into 3D features, with constraints and relationships imposed as needed to match the designer’s intent. In summary, parametric design entails engineers’ piece-by-piece constructing a 3D geometry. ![]() ![]() ![]() Users can record comprehensive design intent with features and limitations that make it possible to automate repetitive modifications using parametric modeling technology, on the other hand. Others, on the other hand, appreciate the level of control that comes with a parametric approach.įor many, the benefit of direct modeling is the ability to swiftly capture and record new geometry without the limits that come with parametric modeling. Since then, practically every prominent CAD tool, including SOLIDWORKS, Autodesk Inventor, Creo Parametric, CATIA, NX, and Onshape, has used the parametric paradigm.ĭirect modeling is the appropriate design method for some design engineers because of its openness and flexibility. The 1987 debut of Pro/ENGINEER, now PTC Creo, marked a pivotal moment in the history of computer-aided design (CAD), since it introduced the CAD industry to history-based parametric modeling.
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