AutoCAD

How to Draw Double Line in AutoCAD 2017?

Understanding Double Lines in AutoCAD 2025

When working with architectural drawings or specific design requirements, you may encounter the need to create double lines in AutoCAD. This functionality allows for precise portrayals of walls, paths, and various structures in your CAD projects.

Step-by-Step Guide to Drawing Double Lines

Step 1: Activate the Polyline Tool
Launch AutoCAD and open your project or create a new drawing. Access the "Home" tab on the top navigation bar. In the "Draw" panel, find and select the "Polyline" tool, represented by an icon that looks like a connected line segment.

Step 2: Set the Line Type
To create double lines, you’ll first need to adjust the properties of the polyline. Enter the command line by typing “PLINE” or selecting the Polyline icon. Once the command is initiated, you’ll be prompted to specify points to make your lines.

Step 3: Create the Initial Line
Click on the desired starting point in your drawing area. Then, move your cursor to the endpoint of your line and click again. You can enter coordinates if precise placement is needed.

Step 4: Adjust the Width
After defining the primary line in your drawing, you’ll set the width to create a double line effect. Enter "W" for width when prompted after the second click or by typing "Width" in the command line. Specify an appropriate dimension for the width of the double line, which will determine the spacing between the two lines that compose the entirety of your double line.

Step 5: Finalize the Double Line
Continue specifying additional points if needed, or press "Enter" to complete your polyline. The result will show two parallel lines based on the width you’ve chosen, accurately representing the double line.

Useful Tips for Working with Double Lines

  • Using the Properties Palette: Adjusting line properties through the properties palette can help refine the appearance of your double lines, including color, layer assignments, and visibility settings.

  • Utilizing Layers: For better organization, consider placing your double lines on a separate layer. This approach aids in toggling visibility easily when layering designs.

Frequently Asked Questions

1. Can I adjust the spacing of double lines after they have been created?
Yes, you can select the existing double line and modify its width using the properties palette or by converting it to a polyline with the needed adjustments.

2. What types of designs benefit from using double lines?
Double lines are particularly useful in architectural drafting, roadway designs, and landscape plans where clear distinctions between two parallel boundaries are required.

3. Is there a shortcut for creating double lines in AutoCAD?
While there isn’t a specific shortcut dedicated solely to double lines, familiarizing yourself with the polyline and width commands allows for quicker execution when drawing double lines in your designs.

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.