AutoCAD

How to Use Multi Line Command in AutoCAD?

Understanding the Multiline Command in AutoCAD

The Multiline command in AutoCAD allows users to create objects made up of multiple parallel lines, known as multilines. A multiline can consist of up to 16 parallel elements. This feature is particularly useful for drafting tasks that require consistent spacing, such as walls in architectural drawings and roadways in civil engineering projects.

Executing the Multiline Command

To draw multilines, the MLINE command is utilized. Start by typing “MLINE” in the Command prompt to activate the function.

  1. Select a Style: Enter “st” at the command prompt to choose a specific style for your multiline. You can list all available styles by typing the style name or simply “?”.
  2. Set Justification: To adjust the justification of the multiline, enter “j” and select from options such as top, zero, or bottom justification depending on your design needs.
  3. Change Scale: If you need to modify the scale of the multiline, use “s” and input the desired scale factor.

Practical Applications of Multilines

Multilines are extremely valuable in various design fields. They streamline the process of creating parallel lines with uniform properties and spacing, eliminating the need for multiple individual line drawings. This command is ideal when creating complex patterns, wall layouts, or grid systems where accuracy and consistency are crucial.

Distinguishing Polylines from Multilines

Polylines and multilines may seem similar but serve different purposes. A polyline consists of a connected sequence of line segments treated as a single object, allowing for intricate designs but limiting the creation of parallel lines. In contrast, multilines offer multiple parallel lines at once, providing greater versatility for specific design contexts.

Understanding the Justification Feature in AutoCAD

The justification feature pertains to the alignment of text and other objects. In AutoCAD, you can change the justification of single-line text by selecting it and accessing the Properties palette. Adjusting the justification parameter allows for more control over text placement within your designs.

Utilizing the MLEDIT Feature

To modify existing multilines, the MLEDITH command can be utilized. Follow these steps:

  1. Type “pedit” into the command line and hit enter.
  2. Enter “m” to choose multiple line segments.
  3. Select the line segments you want to merge and press enter.
  4. Confirm the conversion to polylines if prompted.

Exploring the Explode Command

The Explode command allows users to break down complex objects into their individual components. This can be particularly useful for customization and edits. Objects like blocks, polylines, and regions may be exploded to allow for modifications on a more granular level.

Common Commands in AutoCAD

Understanding various commands can significantly enhance your efficiency in AutoCAD. Key commands related to drawing include:

  1. L: Creates simple lines.
  2. C: Draws circles.
  3. PL: Initiates polylines.
  4. REC: Draws rectangles.
  5. ARC: Creates arcs.
  6. ELLIPSE: Draws ellipses.

FAQs

  1. What are the key benefits of using multilines in AutoCAD?
    Multilines save time and ensure consistency, particularly in projects requiring multiple parallel lines, such as architectural plans and road design.
  2. Can you convert multilines to polylines?
    Yes, you can use the PEDIT command to change multilines into polylines if adjustments are needed.
  3. Is the Multiline command available in AutoCAD 2025?
    Yes, the Multiline command continues to be a key feature in AutoCAD 2025, offering enhanced functionalities and usability.

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.