Which of the following represents a style of controlling dimensions in CNC machining?

The correct choice is representative of a style of dimensioning that often refers to a method of enclosing or grouping dimensions within a designated space, ensuring that they are interpreted correctly relative to other features on a part. This approach can enhance clarity and prevent misinterpretation when reading technical drawings and specifications.

In the context of CNC machining, a well-defined style of dimensioning is crucial for maintaining precision and accuracy during the manufacturing process. Grouping dimensions into boxed areas helps machinists quickly identify relevant measurements that apply to specific features of a workpiece.

While other styles such as geometric might focus on the arrangement and relationships of shapes, or flexible dimensions might imply adjustable tolerances, the boxed style is unique in its structured presentation. Scaled dimensions would typically relate to the proportional representation of a part rather than a method of controlling dimensions specifically. Each dimensioning style plays a role in CNC machining, but boxed dimensions provide a systematic approach for accurate and effective communication in engineering documentation.