AutoCAD

How to Change Center Mark in AutoCAD?

Adjusting Center Marks in AutoCAD: A Step-by-Step Guide

Center marks play a crucial role in drawing and detailing in AutoCAD. They are essential for indicating symmetrical features, particularly in mechanical components. Learning how to change their size enhances the clarity of your drawings. Follow these detailed steps to modify center marks effectively.

Opening the Properties Panel

Before altering any center marks, ensure that you have access to the Properties panel:

  1. Select any object within your drawing. This action will activate the contextual controls associated with that object.
  2. Right-click on the selected object to open a context menu.
  3. From the menu, choose “Properties.” If the Properties window does not appear, you may need to activate it through the View tab by clicking on “Properties.”

Selecting Center Marks

Now that the Properties panel is open, you can focus on the center marks:

  1. Click to select one or multiple center marks that you wish to modify. You can do this by holding down the Shift key and clicking on each mark.
  2. Make sure that your selection is correct by ensuring the center marks are highlighted in the drawing area.

Modifying Center Mark Size

Once your center marks are selected, you can proceed to change their size:

  1. In the Properties window, locate the section labeled “Geometry.”
  2. Within this section, find the option titled “Cross Size.” This parameter controls the dimensions of the center marks.
  3. Enter a new value for the Cross Size. This new size will apply to all selected center marks.
  4. Press Enter to apply the changes. Observe your drawing to ensure the center marks have adjusted to the entered size.

Fine-Tuning Additional Center Mark Properties

If further adjustments are necessary, continue with the following steps:

  1. In the same Properties window, explore additional options such as “Color” and “Lineweight” if you wish to enhance the visibility or style of the center marks.
  2. When satisfied with your selections, close the Properties panel to continue with other modifications in your drawing.

FAQs

1. Can I change the shape of center marks in AutoCAD?

No, the shape of center marks remains fixed to indicate symmetry effectively. However, you can configure their size and style through the Properties panel.

2. Is there a shortcut to access the Properties window in AutoCAD?

Yes, you can press Ctrl + 1 to quickly open the Properties window after selecting an object.

3. Will changes to center mark sizes affect existing drawings saved in earlier versions of AutoCAD?

Changes made in AutoCAD 2025 may not be retroactively applied to files from earlier versions without opening and re-saving them in the updated format.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.