AutoCAD

How to Make Polyline Thicker in AutoCAD?

Understanding Polyline Thickness in AutoCAD

Polylines are a fundamental element in AutoCAD drawings, allowing for the creation of complex shapes. Adjusting the thickness of polylines can affect the visibility and clarity of a design, making it crucial for various applications. This guide will cover multiple methods for increasing the thickness of polylines in AutoCAD, ensuring your lines appear as intended.

Changing Default Polyline Thickness

To modify the default thickness of polylines in AutoCAD, follow these steps:

  1. Open the Home tab and locate the Modify panel. Click on the Edit Polyline option.
  2. Select the polyline that you wish to alter.
  3. Type e to enter Edit Vertex mode; the initial vertex will be highlighted.
  4. Input w to specify the width.
  5. Enter the desired starting and ending widths for your polyline.
  6. After adjusting the width, press Enter to proceed to the next vertex or type x to cancel vertex editing.

Increasing Polyline Width

If you want to expand the width of an existing polyline, the process is simple:

  1. Click on the Edit Polyline tool available on the Modify toolbar.
  2. Select the desired polyline from your workspace.
  3. In the command prompt, either select Width from the options or type w and hit Enter.
  4. Input the new width in the command bar and confirm by pressing Enter.

Adjusting Line Thickness in Different AutoCAD Versions

For users operating on AutoCAD 2025, the steps may vary slightly:

  1. Open your drawing and select the line you wish to modify.
  2. Access the Properties palette by right-clicking on the selected line.
  3. Locate the Thickness setting within the General tab and input your desired measurement.
  4. Close the Properties palette, ensuring your changes are applied.

Modifying Pline Settings

To effectively manage multiple polylines, consider the following steps:

  1. Select the polyline and open the Properties palette, adjusting the Global Width to zero if needed.
  2. To edit multiple polylines at once, use the QSELECT command to filter for polylines, setting the Global Width to not equal zero for further adjustments.
  3. To prevent future lines from retaining old settings, set the PLINEWID system variable to zero.

Why Are Polylines Appearing Too Thick?

If you find that your polylines are unintentionally thick, consider these common causes:

  • Your polyline may have a global width exceeding the desired thickness.
  • Lineweights might be enabled in the plot settings, altering the appearance of lines when printed.
  • Drawing scales may affect how lineweights are rendered on screen.

FAQs

1. What is the default lineweight in AutoCAD?

The default lineweight in AutoCAD is set to 0.01 inches.

2. How can I make my lineweight visible in AutoCAD?

To make lineweights visible, type LWDISPLAY in the command line and set the value to On. Additionally, you can use the Show/Hide Lineweight button on the status bar.

3. What is the purpose of modifying line weights in a drawing?

Modifying line weights serves to communicate depth, importance, and proximity in a drawing, enhancing clarity and ensuring that critical elements stand out.

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.