The Center Mark tool is located on the toolbar under the Geometry tool group.

1. Select Geometry > Center Mark .
2. Click the edge of any curved object.

The tool creates a center mark with extension lines for full circles or holes and center marks without extension lines for arcs or filleted edges.

Modify a center mark

To modify the overshoot length of a center mark, select an existing center mark and use the gray arrow grips to adjust the length.

Create Automated Center Marks

Automatically create center marks for all holes in a view by adjusting the Automated Center Marks and Center Lines settings in the Drawing View dialog. You can do that while creating the view, or later by double-clicking the view.

1. In the Automated Center Marks and Center Lines section of the Drawing View dialog, choose the hole types that receive automated center marks:
   • Centermarks:
     • Hole: Creates a center mark for hole features.
     • Round Extrudes: Creates a center mark for round extrudes.
     • Round Cuts: Creates a center mark for round cuts.
     • Fillet: Creates a center mark for fillets.
     • Minimum fillet radius: Specify the minimum fillet radius for a center mark to be created.
     • Maximum fillet radius: Specify the maximum fillet radius for a center mark to be created.
2. Select OK or Close.

Center marks are created for the selected hole types.