Materials
The Tolerances That Actually Matter in Metal Frames
27 March 2026 · 7 min read
In metal construction, symmetry and joint integrity determine perceived quality far more than absolute dimensional precision across the whole frame.
Bridge geometry, endpiece angle and hinge alignment carry the fit. Small deviations here are immediately visible on the face and generate returns.
Plating adhesion is the second control point. Salt-spray and adhesion testing on production samples, not development samples, is what protects a launch.
Start a project
Let's build your next eyewear collection.
Tell us what you're looking to create. Our team will help you explore materials, design, manufacturing and production possibilities.