Does this DIY Lawn Mower actually work?

This is a DIY 3d printed lawn mower that I designed using Fusion 360. It attaches to a DeWalt String Trimmer. Will it actually work? BEST ALL AROUND 3D PRINTER: Printer: Bambu Lab P1S DON’T MISS: Shop Micro Center’s Black Friday Deals: Crazy Micro Center Deals: New Customer Exclusive - Get the Creality Ender 3 V2 3D Printer for only $99: Check Out Micro Center’s New Charlotte Store, Opening Early 2024: Micro Center’s Filament and Resin Selection: Learn how to design your own things: Watch other popular 3D Printer Academy videos: Is it possible to spin last gear? 3D printed Generator: Attach a Drill: Gearbox Speed Test: Follow along as we 3d print different more cool things! STL FILES: THE WORLD’S MOST PRACTICAL 3D PRINT: Thread Boards: Support our mission of making 3d printing accessible for everyone: Join this channel to get access to perks: Recommended Amazon Products: Ender 3 Pro: White PLA: Copper PLA: AC Generator: DC Motors: Learn about 3D printing at #DIY​ #ender3pro​ #gears​ #lawnmower​ #engineering​ #3dprinted​​​​ #satisfying​​ #machines​​ #tech​​ #ASMR​​ #create​​ #3dprints​​ #3dprinting​​ #3dprinter​​ #tools​​