7-in-1 Titanium Ruler That Draws Perfect Circles, Measures Angles, and Works as a Caliper. Yes, Really. - Yanko Design
Briefly

7-in-1 Titanium Ruler That Draws Perfect Circles, Measures Angles, and Works as a Caliper. Yes, Really. - Yanko Design
"Seven measurement and drawing functions collapse into a single folding titanium ruler. Closed, it measures 145mm, roughly smartphone length. One motion releases the magnetic lock, the sleeve joint clicks straight, and it extends to 295mm for full A4 coverage. No sliding mechanisms. No multi-step deployment. The transformation happens edge to edge, from zero to full length in a single click."
"Three scales cover metric, imperial, and a dedicated millimeter track. All markings are laser-engraved into the titanium surface, which means they will never fade, peel, or rub off. The zero point starts right at the tip, eliminating offset math when measuring depth or inserting the edge into tight spaces."
"A 0.5mm recessed groove runs along the bottom edge. It catches a pen tip, holds it stable, and lets you mark immediately after measuring. That same groove improves grip when you're holding the ruler at an angle or cutting against it. The flat middle edge guides craft knife blades flush against the surface for clean cuts without wobble."
"The top edge carries a 25-degree bevel to reduce glare and"
A folding titanium ruler merges everyday-carry design with measurement and layout functionality. It provides seven measurement and drawing functions in one tool, measuring 145mm when closed and extending to 295mm for A4 coverage. A single motion releases a magnetic lock and clicks the sleeve joint straight, creating an edge-to-edge transformation without sliding parts or multi-step deployment. Three laser-engraved scales cover metric, imperial, and a dedicated millimeter track that resists fading, peeling, and rubbing. The zero point starts at the tip to avoid offset math in tight spaces. A 0.5mm recessed groove stabilizes a pen tip for immediate marking and improves grip, while a flat middle edge guides craft knife blades for clean cuts and a beveled top edge reduces glare.
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