Which term describes a CAD modeling method that uses parameters to define the size and geometry of features and to create relationships between features? Changing a parameter value updates all related features of the model at once.

Which term describes a CAD modeling method that uses parameters to define the size and geometry of features and to create relationships between features? Changing a parameter value updates all related features of the model at once.

• A. Parametric Modeling
• B. Exploded Assembly
• C. The US federal agency with a mission to protect human health and the environment.
• D. A line used to show the alternate positions of an object.

Answer: (A)

Parametric modeling in CAD uses parameters to define the size and geometry of features and to create relationships between features. You set dimensions and constraints so features know how they relate to each other. Those relationships keep the design intent intact, so when you change a parameter, the software automatically recalculates and updates all dependent features. This propagation means the whole model stays consistent as you explore different sizes and configurations. The other descriptions don’t capture this idea of parameters driving geometry and updating interconnected features.

Parametric modeling in CAD uses parameters to define the size and geometry of features and to create relationships between features. You set dimensions and constraints so features know how they relate to each other. Those relationships keep the design intent intact, so when you change a parameter, the software automatically recalculates and updates all dependent features. This propagation means the whole model stays consistent as you explore different sizes and configurations. The other descriptions don’t capture this idea of parameters driving geometry and updating interconnected features.