🚀 Build your own semi-auto slingshot! The patented AutoFling GEN4 auto-loading slingshot is now 3D-printable! We replaced complex T-sliders with a brilliant tool-less 6mm ball-lock mechanism. Grab the files, join our community, and stay tuned for our assembly video! ⚠️ 3D prints are fragile. For our unbreakable, heavy-duty CNC Aluminum version, visit autofling.com!