Silvanus Fusion 360 Box Generator Installation Download the ZIP file from github and extract it to a known location. The Fusion360 Add-ins folder is located at Mac: /Users/<username>/Library/Application Support/Autodesk/Autodesk Fusion 360/API/AddIns Windows: C:\Users\<username>\AppData\Roaming\Autodesk\Autodesk Fusion 360\API\AddIns Click on the Add-Ins menu from Fusion 360. Select the Add-Ins tab from the Scripts and Add-ins dialog. Click on the green + next to the My Add-ins folder. Find the location where you uncompressed the ZIP file above and select that directory.