AutoCAD

How To Continue A Polyline In AutoCAD?

Understanding How to Extend a Polyline in AutoCAD

Continuing an existing polyline in AutoCAD can be essential for creating more intricate designs. Here’s a step-by-step guide on how to seamlessly extend a polyline.

Step-by-Step Guide to Continue a Polyline

  1. Start the Command:

    • Type the command PLINE (which stands for Polyline) in the AutoCAD command line and hit Enter, or you can access the polyline tool from the Draw menu.
  2. Select the Existing Polyline:

    • When prompted to select a polyline to extend, click on the segment of the polyline you wish to continue. If you decide to cancel the action, simply press the ESC key.
  3. Specify the New Vertex:

    • After selecting the polyline, you will be prompted to specify the next point for the polyline. Click on the location where you want to add the new vertex.
  4. Continue Adding Points:
    • After placing the new vertex, continue to specify additional points if needed. Use the left click to select each consecutive vertex’s position. If you decide to stop adding vertices, press the ESC key to exit.

Tips for Smooth Continuation

  • Ensure Linearity: Make sure new points follow the expected direction for a smoother polyline shape.
  • Maintain Elevation: If your polyline segments are on different elevations, they will not connect. Adjust their elevations to ensure they match for a successful continuation.

Troubleshooting Polyline Continuation

  • Connection Issues: If a new vertex does not join to the existing polyline, check that the endpoint of the selected segment is at the same elevation as the new point you’re trying to add.

  • Editing Existing Polylines: If you need to modify an existing polyline, access the Edit Polyline function from the Modify panel, and proceed to make your changes as required.

Frequently Asked Questions

1. What should I do if my polyline segments won’t join?
If the segments have different elevations or are not touching each other, they will not join. Try adjusting their height or ensuring they meet end-to-end.

2. Can I add multiple vertices at once when continuing a polyline?
Currently, you will need to specify each vertex one at a time, but you can continue specifying vertices until you finish by pressing the ESC key.

3. Is there a way to see the current width of my polyline while editing?
Yes, you can use the ‘Width’ option in the Edit Polyline command to check and adjust the polyline’s thickness while modifying it.

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.