US20070175045A1 - Automatic opening and closing knife - Google Patents
The Weekly Screw and The Occasional Screw and The Daily Screw from The Virtual Corkscrew Museum
US20070175045A1 - Automatic opening and closing knife - Google Patents
JP.GunCAD on Twitter: "Introducing Mack, the Knife. A fully DIY, OTF, double acting automatic knife. Live now for download. Mackie's back in town! Enjoy! https://t.co/SnU8jIPNBl" / Twitter
DA-OTF mechanism - YouTube
Auto-OTF Switchblade Knife | 3D CAD Model Library | GrabCAD