AutoCAD

How to Divide Arc in AutoCAD?

Understanding the Basics of Arc Division in AutoCAD

Dividing an arc is a common requirement in AutoCAD, especially for designing precise structures or components. This guide provides a step-by-step process for dividing an arc effectively using AutoCAD 2025.

Step-by-Step Guide to Divide an Arc in AutoCAD

Step 1: Select Your Arc

Start by opening your AutoCAD project and navigating to the arc you wish to divide. Click on the arc to select it, ensuring it is highlighted.

Step 2: Access the Divide Command

To initiate the division process, type the command DIVIDE into the command line and press Enter. This command is specifically designed to create evenly spaced points along your selected arc.

Step 3: Specify the Number of Divisions

After entering the DIVIDE command, AutoCAD will prompt you to enter the number of segments in which you wish to divide the arc. For example, if you require 6 equal parts, type 6 and hit Enter. Once you do this, AutoCAD will automatically place points along the arc based on your specified division.

Step 4: Review the Results

After executing the command, you should see evenly spaced points along the arc. These points serve as markers that indicate the divisions, providing visual references for any further modifications or designs you may wish to implement.

Alternative Methods for Manual Division

If you’d prefer a manual approach or need greater control over the division process, consider these steps:

Step 1: Draw a Straight Line

Begin by drawing a straight line that extends the length of the arc. This line will act as a reference for manual division.

Step 2: Divide the Straight Line

Use AutoCAD’s LINE command to draw your reference line from one endpoint of the arc to the other. Once the line is created, you can use the same DIVIDE command to split this line into equal parts as per your required division (e.g., 6 segments).

Step 3: Locate Division Points on the Arc

Using the known lengths of these divisions, you can then mark corresponding points on the arc itself. This technique allows for precise positioning, especially in complex designs.

Frequently Asked Questions

1. Can I customize the points placed along the arc after division?
Yes, after the points are created using the DIVIDE command, you can edit their properties or convert them into separate entities if needed.

2. What if I want to divide the arc into unequal segments?
For uneven divisions, you will need to manually place points along the arc, as the DIVIDE command is designed for equal spacing only.

3. How does the DIVIDE command differ from the MEASURE command in AutoCAD?
While the DIVIDE command places points at equal intervals along an arc or line, the MEASURE command places points at specified distances. This can be useful for creating divisions that are not uniform.

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.