Fusion 360

How to Split an Object in Half in Fusion 360

Understanding how to effectively split an object in half using Fusion 360 can enhance your design workflow significantly. This process is particularly beneficial when you need to create complex components or analyze internal structures. The following guide outlines a detailed, step-by-step method for accomplishing this task.

Preparing Your Object

Before proceeding to split an object, make sure your model is ready to be manipulated. If necessary, save your work in a designated project to avoid losing progress.

  1. Open Your Design: Launch Fusion 360 and select the design file containing the object you wish to split.
  2. Inspect the Model: Rotate and view your object from different angles to ensure you clearly understand its dimensions and shape.

Creating the Split Geometry

To initiate the splitting process, you will need to define the plane or geometry where the object should be divided.

  1. Access the Plane Tool: Navigate to the ‘Construct’ dropdown menu in the toolbar. Choose an appropriate option such as ‘Mid Plane’ or ‘Offset Plane’ to create a plane where you’d like to split the object.
  2. Position the Plane: Use the dialog box that appears to specify the dimensions and placement of the plane. You might opt for a mid-plane to evenly split the object or an offset plane for a more customized division.

Executing the Split

With your split geometry created, you can now proceed to execute the split operation.

  1. Select the Object: Click on the object you intend to split. This selection informs Fusion 360 which model to modify during the splitting operation.
  2. Utilize the Split Body Tool: Find the ‘Modify’ dropdown menu and select ‘Split Body.’ This tool enables you to divide the selected object using the plane or surface you’ve just created.
  3. Define the Split: In the dialog that appears, ensure that you confirm the ‘Body’ as the object to split and choose the plane you previously established as the cutting entity.
  4. Finalize the Operation: Click ‘OK’ in the dialog box to execute the split. The object will be divided according to the plane, producing separate components.

Verifying the Split Object

After the split, it is essential to ensure that the operation was successful and that the parts remain functional.

  1. Inspect the New Bodies: Look in the browser on the left side of the Fusion 360 interface. You should see the newly created components listed separately.
  2. Check the Separated Parts: Rotate and examine the individual parts to confirm that they have been split correctly.

Modifying the Split Entities

Often after splitting an object, you may want to modify one or both of the resulting bodies.

  1. Select a Body for Editing: Click on one of the newly created bodies to begin modifications, such as changing its dimensions or applying specific features.
  2. Use Conventional Tools: Utilize various tools available in Fusion 360, such as extrude, fillet, or chamfer, to enhance the split bodies according to your project requirements.

Frequently Asked Questions

What types of objects can be split in Fusion 360?
Most solid bodies in Fusion 360 can be split, including complex shapes. However, for optimal results, simpler geometries are recommended for precise splits.

Can I undo a split operation?
Yes, the split operation can be undone using the ‘Undo’ function (Ctrl + Z or Command + Z on Mac) if you find that the result does not meet your expectations.

Will splitting an object affect its original dimensions?
The original dimensions of the object are retained in the split bodies as independent entities. Each part can be modified separately without altering the original, so they can be scaled or adjusted without issue.

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.