AutoCAD

How To Change Thickness Of Line In AutoCAD?

Understanding Line Thickness in AutoCAD

Changing the thickness of lines in AutoCAD is essential for enhancing the clarity and presentation of your drawings. Different line weights can help emphasize specific elements in your designs, making it easier for viewers to interpret the information conveyed in the drawings. This guide offers a step-by-step approach to modifying line thickness in AutoCAD 2025.

Step-by-Step Process to Change Line Thickness

Step 1: Select the Objects

To begin the process, you need to select the objects whose line thickness you wish to modify. You can do this by clicking on the objects individually or by using a selection window to encompass multiple objects at once.

Step 2: Access the Properties Palette

After selecting the desired objects, right-click on any of the highlighted items. A context menu will appear. From this menu, opt for the ‘Properties’ option. Alternatively, you can bring up the Properties palette by entering the command PROPERTIES in the command line. For quick access, you can also press Ctrl + 1 on your keyboard.

Step 3: Modify the Thickness Value

Within the Properties palette, you will see several settings related to the selected objects. Locate the section labeled Thickness. Click on the current value next to Thickness and enter a new value reflecting the desired line thickness. The changes will be applied instantly, allowing you to see how the new thickness looks in your drawing.

Adjusting Line Thickness in the Plot Style Table Editor

Step 1: Open the Plot Style Table Editor

To change line thickness via the Plot Style Table, access the Plot dialog by entering PLOT in the command line or selecting “Plot” from the output tab. In the plot dialog box, find and click on the Plot Style Table field.

Step 2: Choose a Plot Style

Once the Plot Style Table is open, you will see a list of available plot styles. Select the plot style that corresponds to the objects you wish to change. Click on the Edit button to access the selected plot style settings.

Step 3: Set the Lineweight

Within the editing options, navigate to the Lineweight settings. Click the corresponding drop-down menu to choose a preferred lineweight from the available options. To implement these changes, ensure you check the option marked Use Object Lineweight. Finally, remember to save your changes by clicking Save & Close before you exit the dialog box.

Understanding Default Line Thickness

By default, AutoCAD sets the line thickness to 0.01 inches. This value can be adjusted at any time using the methods explained above.

Frequently Asked Questions (FAQ)

  1. What is the impact of changing line thickness in AutoCAD?
    Changing line thickness enhances the visual distinction between various elements in a drawing. It helps to convey importance and hierarchy, making it easy for viewers to focus on key areas of the design.

  2. Can I change the line thickness for multiple objects at once?
    Yes, you can select multiple objects simultaneously and follow the same procedure to change the thickness for all selected items, making it a time-efficient process.

  3. What should I do if the changes in line thickness don’t appear as expected?
    If the line thickness changes are not displaying correctly, check the LTSCALE system variable to ensure it matches your drawing’s scale. Adjusting this variable can affect the visibility of line types and thickness in your drawing.

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.