1. Download the Object resizer add-in from the Autodesk App Store website and run the installer.
2. Run Object resizer add-in from the “Utilities” section in Autodesk® Fusion 360™.
3. Press the Object resizer button in the “Sketch” panel.
4. Select the body
5. Enter the expected values in appropriate fields. (Optional) Select the point of the body.
   1. Write value along the x-axis and other coordinates will be calculated automatically.
   2. Write value along the y-axis and other coordinates will be calculated automatically.
   3. Write value along the z-axis and other coordinates will be calculated automatically.
6. Press the "OK" button.
7. Check if the body dimensions have changed. 

Install:
The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. Or, simply double-click the downloaded installer to install the app/plugin.

Uninstall:
You can unload the add-in without uninstalling it by clicking the "Stop" button when the add-in is selected in the list box on the "Add-Ins" tab of the "Scripts and Add-Ins" dialog.
Unchecking "Run on Startup" causes the add-in not to be loaded in future sessions of Fusion 360.
To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button.
Or, you can uninstall it from 'Control Panel/Programs and Features' (Windows 7/8.1/10/11), just as you would uninstall any other application from your system