







Book Common Thread by Rui Yamamuro x Amirisu
We are delighted to present this beautiful Book, Rui Yamamuro's first book, created in Collaboration with Amirisu, including the two first patterns of the Book, The Jumper and skirt "Janvier" and "Février", the two designs you can see on the photos - being designed with Biches & Bûches Wool & Yarn. These 12 stunning designs are only published in the book, and will not be published as individual designs 🐚
You can discover also the Rui Yamamuro x Biches & Bûches Collection here including the two Wool Bundles for "Janvier" and "Février"
Presentation by Amirisu
Common Thread is the debut pattern book by Rui Yamamuro, a Japanese knitwear designer based in Paris.
The title plays on the phrase "a common thread," which refers to a shared characteristic or underlying theme. In knitting, literal thread brings our craft to life. This thread also symbolizes the author's desire to connect people and the handcrafts from the past to those of the future, all through a single thread.
This book features 12 versatile patterns to enjoy throughout the year, including sweaters, cardigans, skirts, and trousers. Drawing on her background in garment construction, Rui combines refined structural beauty with comfortable designs inspired by everyday life in Paris.
With a passion for making, a curiosity about construction, and inspiration drawn from everyday life in Paris, Rui brings together a collection designed to be made, worn, and enjoyed over time.
Details
- Designer: Rui Yamamuro
- Publisher: amirisu
- Release Date: October 2, 2026 (Friday)
- Contents: 12 patterns — 6 sweaters, 2 cardigans, 2 skirts, 1 vest, and 1 pair of pants
- Format: Hardcover, 168 pages, B5 size
- Languages: English & Japanese written patterns
About Rui Yamamuro
Rui Yamamuro is a Japanese knitwear designer based in Paris. She began her career in garment construction, opening her own custom wedding dress studio in Tokyo in 2005. She later studied haute couture embroidery at École Lesage in Paris before turning her focus to knitwear design. Since 2023, she has been creating knitwear patterns inspired by her background in garment construction and her everyday life between Tokyo and Paris. Her designs explore the relationship between structure, simplicity, and comfort, creating timeless pieces intended to be worn and loved for years to come.
Credits
- Photography: Masahiro Shimazaki (@masahiro_shimazaki)
- Hair & Makeup: Yoko Yoshikawa (@yokoyosh)
- Model: Masako
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Details
How to wash
Always handwash and lay flat to dry — Handle with care and make sure to stretch your knit to measurements while wet

The original Wool
Le Lambswool
The delightful DK weight in our iconic Lambswool range. 100% Natural fiber. Woolen Spun. It is dyed, spun and finished in the UK. We find Le Lambswool particularly soft to knit with and wear.















































