The "30" in the title represents a wide range of projects tailored for intermediate to advanced knitters:

: More complex pieces such as draped tops, capelets, and elegant shawls that can transition from casual wear to formal attire.

The title most prominently refers to the pattern book Noro Lace: 30 Exquisite Knits , published by Sixth&Spring Books in 2015. This collection serves as a definitive exploration of how the iconic, hand-dyed gradients of Noro yarns interact with the intricate geometry of lacework. The Artistry of Noro and Lace

: Large-scale projects like cozy blankets or oversized afghans that showcase the yarn’s rich texture on a grander canvas. The Technical Perspective

: Quick-knit projects like hats, mitts, cowls, and scarves that offer "near-instant gratification".