How are geometric patterns engraved onto a tanto blade?
Updated Mar 2026
Geometric blade engravings are typically produced through hand engraving or precision mechanical engraving after the blade has been ground and polished. The engraver works directly into the steel surface, cutting repeating angular forms, line sequences, or tessellated motifs with specialized burins or rotary tools. On high-carbon steel like T10, the engraving must be performed with care to avoid introducing stress risers into the blade structure, making craftsmanship quality a meaningful differentiator. Once engraved, the geometric patterning interacts with the polished steel surface to create shifting visual effects under different lighting conditions — one of the reasons geometric blade tantos are particularly rewarding as display collectibles viewed from multiple angles.