ENGINEERING · 4 OCTOBER 2026
Beyond Spring Count
A useful spring specification starts with the size, construction and geometry behind the number.
SPRINQS STORIES
Inside the spring.
Ideas for the people building better comfort. Explore spring construction, product design and the materials behind the finished surface.
Photo: Yahquinn / Stephanie Loffredo · CC BY-SA 3.0
DESIGN · 4 OCTOBER 2026
Comfort Is a Complete System
Springs, surrounding layers and the supporting base should be considered together from the first design discussion.
Photo: Lee Haywood · CC BY-SA 2.0
MATERIALS · 4 OCTOBER 2026
Designing for Material Separation
Looking at how steel, textiles and surrounding layers come apart can inform better product decisions.