To subtract one mesh body from another in Fusion 360, you primarily use the Combine tool found within the Mesh Tab.
Using the Combine Tool for Mesh Subtraction
Fusion 360 provides a dedicated tool to perform Boolean operations, including subtraction (cutting), on mesh bodies. This is done using the Combine command.
Here's how to access and use it for subtraction:
- Switch to the Mesh Tab: Ensure you are working in the Mesh environment. If you don't see the Mesh tab, you might need to activate mesh features or ensure you have a mesh body imported or created.
- Locate the Modify Menu: Within the Mesh tab, find the Modify panel.
- Select the Combine Tool: Click on the Combine tool icon in the Modify panel. This will open the Combine dialog box.
Setting Up the Subtraction
Once the Combine dialog box is open, you need to specify the bodies involved and the operation you want to perform.
- Target Body: Select the mesh body that you want to subtract from.
- Tool Body: Select the mesh body that will be subtracted from the Target Body.
- Operation: This is the crucial step for subtraction. In the Combine tool dialog box, select "Operation: Cut".
The "Cut" operation specifically performs the subtraction, removing the volume where the Tool Body overlaps with the Target Body.
| Setting | Description | Selection for Subtraction |
|---|---|---|
| Target Body | The mesh body being modified. | Select your main body |
| Tool Body | The mesh body used to cut away material. | Select the cutting body |
| Operation | Defines how the bodies interact. | Cut |
| New Component | Option to place result in a new component. | Optional |
| Keep Tools | Retains the Tool Body after the operation. | Optional (usually off) |
After setting these options, click "OK" in the Combine dialog box to execute the subtraction. The Target Body will be modified, with the shape of the Tool Body removed from it.
This process, as detailed in the provided information, confirms that you Use the Combine tool in Modify menu of the Mesh Tab. and Within the Combine tool dialog box, select "Operation: Cut" to subtract one mesh from another.
