AutoCAD

How to Stretch Length in AutoCAD?

Understanding How to Stretch Length in AutoCAD

Stretching length in AutoCAD allows users to modify the dimensions of objects while maintaining their structural integrity. This guide will outline the steps to utilize the Stretch command effectively within AutoCAD, enabling users to lengthen or reposition elements as required.

Utilizing the Stretch Command in AutoCAD

  1. Access the Home Tab: Begin by navigating to the Home tab on the ribbon interface at the top of the AutoCAD workspace.

  2. Select the Modify Panel: Locate the Modify panel within the Home tab. Here you can find various commands that assist with modifying objects.

  3. Choose the Stretch Command: Click on the Stretch option in the Modify panel. This will activate the command and prompt you to make your selections.

  4. Select Objects with a Crossing Window:

    • To effectively stretch an object, utilize a crossing window selection. Click and drag your cursor to create a rectangle that encompasses the part of the object you want to stretch.
    • Ensure that at least one vertex or endpoint of the objects to be stretched falls within this window.
  5. Specify Displacement: After selecting the object, you will need to indicate the amount of stretch.

    • You can enter this value in various forms: as a relative Cartesian coordinate (X,Y), a polar coordinate (distance and angle), or even using cylindrical or spherical inputs, depending on your requirement.
  6. Confirm the Stretch: Once you have set your desired displacement, press Enter to apply the changes. The object will stretch according to the parameters you specified.

Stretching Dimensions in AutoCAD

In situations where dimensions need to be retained while stretching certain parts of the drawing, follow these steps:

  1. Open the Annotate Tab: Click on the Annotate tab, which is specifically designed for dimensioning and annotations.

  2. Choose the Dimensional Stretch Tool: Access the Dimension panel and select the Linear/Symmetric Stretch option from the drop-down menu.

  3. Initiate the Command: Hit Enter to activate the command interface.

  4. Select the Object to Adjust: Click on the text of the dimension you wish to stretch. This ensures the selected dimension will follow the object adjustments.

  5. Input Stretch Values: Enter the value by which you want the object to stretch. Ensure you are aware of how this value correlates to the overall design.

  6. Select Additional Objects: Use a crossing window to choose both the object being stretched and any associated dimension lines, ensuring they remain linked after the adjustment.

Proportional Stretching in AutoCAD

When a proportional adjustment is necessary for groups of shapes or dimensions, the following method can be applied:

  1. Access the Scale Command: Go to the Home tab, scroll to the Modify panel, and select the Scale option.

  2. Select Objects to Scale: Click on the shapes or objects you intend to resize proportionally.

  3. Set a Base Point: Establish a base point from which scaling will occur. This point acts as the anchor for the transformation.

  4. Use the Reference Command: Type ‘R’ for Reference and press Enter. This allows you to maintain proportions during the resizing process.

  5. Identify Reference Points: Click on the first and second reference points that define the existing size versus the desired size, or simply input a numerical reference value.

FAQs

1. What is the difference between the Stretch and Lengthen commands in AutoCAD?
The Stretch command allows users to stretch only portions of an object based on a selection window, while the Lengthen command is designed to increase or decrease the length of entire objects uniformly, often along a defined path.

2. Can I stretch multiple objects at once in AutoCAD?
Yes, when using the crossing window selection method, you can stretch multiple interconnected objects simultaneously.

3. What should I do if my AutoCAD drawing appears too small?
If your drawing seems minor in scale, check and set the drawing limits with the command LIMITS. Next, use Zoom Extents (type Z then press Enter followed by A and Enter) to navigate your view to fit all objects on the screen. Adjusting your viewport scale can also aid in proper visualization.

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.