Self-Aligning Jig creates sketch geometry for a self-aligning jig for machining two-sided parts. This add-in allows you to specify the bottom left and top right corners of a rectangle and the tool diameter. It is particularly useful in woodworking.

Steps:

1. Draw a rectangle.
2. Change the rectangle to construction geometry.
3. Press the "Self-Aligning Jig" button in the "Sketch" panel.
4. Select the corners and the tool diameter.
5. Jig geometry will be created automatically.

Help online: https://maciejrogowski.com/self-aligning-jig-help/

Install for Windows:
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.

Install for Mac OS:
1. Download the installer from Autodesk App Store.
2. Right-click on the "Downloads" folder and choose "Open in Finder".
3. Right-click on the "Self-AligningJig_macos.pkg" -> "Open With" -> "Installer". 

Uninstall for Windows:
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 Autodesk® 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), just as you would uninstall any other application from your system.

Uninstall for Mac OS:
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.
- Navigate to ./ApplicationsPlugins folder and select the app bundle you want to uninstall
- Either drag the app bundle to the Trash or right-click and select “Move to Trash”
- Right-click on the Trash-Can and select “Empty Trash”
- If you prefer keystrokes, you can also just select the app bundle and then hit Command+Delete to move the app to Trash, then empty the Trash and the app will be removed.