AutoCAD

How to Make Oblique Dimension in AutoCAD?

Understanding Oblique Dimensions in AutoCAD

Oblique dimensions are essential in technical drawing, particularly when depicting angles that do not conform to the standard 90-degree format. AutoCAD provides a straightforward way to apply oblique dimensions to your designs, enhancing clarity and precision in your drawings. Here are detailed steps to effectively create oblique dimensions in AutoCAD.

Steps to Create Oblique Dimensions in AutoCAD

1. Accessing the DIMEDIT Command

Begin by launching AutoCAD. Once your workspace is ready, focus on the command line located at the bottom of the interface. Type in DIMEDIT and hit the Enter key. This command focuses on editing dimensions, including their orientation and type.

2. Selecting Oblique Dimension Option

After executing the DIMEDIT command, the command line will present you with a list of options. Choose the Oblique option by typing it in or selecting it from the list. This selection signals to AutoCAD that you intend to create an oblique dimension rather than a standard one.

3. Picking the Dimension to Edit

You will now be prompted to select the dimension you would like to modify. Click on the dimension marked as A or the relevant dimension in your drawing. After selecting the desired dimension, press Enter once more to proceed to the next step.

4. Defining the Angle for the Oblique Dimension

Following your selection, AutoCAD will request an angle to which you want to align your dimension. Enter the desired angle; for instance, typing 30 will rotate the dimension line to align at 30 degrees from its original position. Press Enter again to confirm your input.

5. Finalizing the Edit

At this point, your oblique dimension should now be visible in the drawing area, oriented correctly according to the angle you specified. Review the modification to ensure it meets your requirements and make adjustments as necessary.

Benefits of Using Oblique Dimensions

Utilizing oblique dimensions not only enhances the visual representation of angled parts but also improves the clarity of technical drawings. This method ensures that measurements accurately reflect the true proportions of the object, facilitating better understanding among engineers, architects, and designers.

Types of Oblique Drawing in AutoCAD

When working with oblique drawings, it is valuable to understand the different types available:

  • Cavalier Oblique: This type maintains full scale along the receding axis, resulting in a less distorted image but potentially misleading representation in terms of volume.

  • Cabinet Oblique: The receding lines in this style are often scaled down to half their size, providing a more realistic depiction while still retaining the essence of the original shape.

Understanding these types will aid in choosing the right representation style for your needs.

Frequently Asked Questions (FAQ)

1. Can I convert standard dimensions to oblique dimensions after they have been created?

Yes, you can modify existing dimensions to oblique dimensions using the DIMEDIT command as described above.

2. What version of AutoCAD is this method applicable to?

The steps outlined are applicable to AutoCAD 2025 and later versions, ensuring compatibility with the latest tools and features.

3. Is it possible to set a default angle for all new oblique dimensions?

While AutoCAD does not allow setting a default angle for all new obliques as a global setting, you can quickly reenter your preferred angle each time you create a new oblique dimension using the DIMEDIT command.

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.