A large industrial bearing serves as the unlikely starting point for this Damascus steel katana build. The project follows the transformation of hardened steel into layered patterned metal through ...

In this video, the process of forging a katana sword from an engine gear wheel is showcased. The timeline of events includes: 0:00 Picking up Gear Wheel & Review 0:25 Forging 1:42 Sanding 2:20 Hand ...