GD&T Annotations (MBD) let you define geometric tolerances and datum references directly on the 3D model as part of a model-based definition workflow.
Start with Datum to establish reference geometry. Then choose the GD&T control that matches the inspection requirement:
- Form controls: Circularity, Cylindricity, Flatness, and Straightness
- Profile controls: Profile, Profile Line, and Profile Surface
- Orientation controls: Angularity, Parallelism, and Perpendicularity
- Location and runout controls: Concentricity, Position, Runout, and Symmetry
- Other model-based definition callouts: Annotation, Distance, and Note
Are you interested in code?
Zoo Design Studio writes KCL behind the scenes. GD&T annotations use the gdt module in the KCL
standard library.
Want to find out more about the gdt module? Check it out in our
KCL docs.