The Verisurf Model-Based Definition (MBD) Manager includes all of the Tools and Utilities listed below. MBD annotations appear in the Operations Manager tree and in the graphics area and can easily be added, edited, or deleted.
![MBD Icon No Label 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/MBD-Icon-No-Label-2-e1591910172752.png)
MBD Tools:
Verisurf MBD Operations Manager: Tools top menu
![Move MBD 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Move-MBD-1.png)
Reposition an existing MBD callout frame.
![Datum 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Datum-1.png)
Label a feature as a datum.
![Target Datum 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Target-Datum-1.png)
Label a feature with a datum target.
![MBD 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/MBD.png)
Control frame – assign an MBD (GD&T) callout to a feature.
![2 Pt Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/2-Pt-Dimension-1.png)
Apply a distance dimension between 2 points or parallel planes.
![Thickness Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Thickness-Dimension-1.png)
Apply a dimension to a part thickness.
![Diameter Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Diameter-Dimension-1.png)
Apply a dimension to hole diameters.
![Radius Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Radius-Dimension-1.png)
Apply a hole radius dimension.
![Angle Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Angle-Dimension-1.png)
Apply a dimension between planar and angular surfaces.
![Point Dimension 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Point-Dimension-1.png)
Dimension a point coordinate.
![Closest Distance 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Closest-Distance-1.png)
Display the shortest distance between a point and a CAD surface.
![Create MBD Note 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Create-MBD-Note-1.png)
Place an annotation without a leader to a feature.
![Gap Flush Dimension gap and flush](https://www.verisurf.com/wp-content/uploads/2020/06/Gap-Flush-Dimension-1.png)
Use surfaces or CAD points to define Gap Flush dimensions.
MBD Utilities:
Verisurf MBD Operations Manager: Utilities top menu
![MBD Settings 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/MBD-Settings-2.png)
Open Verisurf Preferences – Display Settings dialog.
![MBD Reference Guide 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/MBD-Reference-Guide-2.png)
Open the MBD Reference Manual.
![Screenshot 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Screenshot-2.png)
Screenshot – Capture graphics window images to be used in the Report Manager or Microsoft Paint.
![Hidden Line 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Hidden-Line-1.png)
Remove hidden lines to improve the clarity of MBD callouts.
![Hole Axis 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Hole-Axis-1.png)
Create a circle from a hole.
![Notepad 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Notepad-2.png)
Add model-specific (Part) notes or general notes that persist across all models.
![Minimum Bounding Box 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Minimum-Bounding-Box-1.png)
Minimum Bounding Box; used to assess minimum material required for machining.
![Auto Flip Normals 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Auto-Flip-Normals-1.png)
Flip and correct Surface Normal direction for Inspect/Build or Surface Analysis.
![3D PDF 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/3D-PDF-1.png)
Create a 3D PDF file that includes MBD callouts, Datum Targets, and Analysis results.
![Auto Hole Axis 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Auto-Hole-Axis-1.png)
Create hole axes, vectors, arcs, or points on all visible circular entities.
![Power Select 3D Metrology Software, Training and CMMsMBD Definitions](https://www.verisurf.com/wp-content/uploads/2020/06/Power-Select-1.png)
Select a surface – including contiguous surfaces.
![Toggle WCS Axis toggle WCS axis](https://www.verisurf.com/wp-content/uploads/2020/06/Toggle-WCS-Axis-2.png)
Toggle display of the WCS axis symbol at the WCS origin.