Spiral of Life Fungsi Utama: Peralatan Makan Kaca by Keiji Ishikawa

Spiral of Life Fungsi Utama: Peralatan Makan Kaca by Keiji Ishikawa is a highly esteemed winner of the very prestigious 2026 A' Design Award Emas in Desain Peralatan Panggang, Peralatan Makan, Peralatan Minum dan Peralatan Masak Competition Category.

EmasPeralatan Dapur· 2026

Spiral of Life Fungsi Utama: Peralatan Makan Kaca

by Keiji Ishikawa

Client: KJ studio

A' Design Award Emas Winner in Peralatan Dapur Category

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Colors

The Design

About Spiral of Life Fungsi Utama: Peralatan Makan Kaca

Teks Buku: Dalam perpaduan antara struktur matematis dan seni kinetik, proyek Spiral of Life menghadirkan arah baru bagi peralatan kaca Kiriko. Karya ini menangkap fluktuasi organik alam dalam medium kaca. Pengembangannya berawal dari kolaborasi antara desainer dan Ree, seorang penari cat. Dengan menerjemahkan barisan Fibonacci ke dalam gerakan, Ree memberikan kerangka konseptual bagi desain ini. Melalui rasio spiral 8 ke 13 dan 13 ke 21, sang perajin menghubungkan kerajinan tradisional dengan biomatematika. Harmoni yang dihasilkan menawarkan pengalaman ritmis yang mencerminkan denyut alami dunia.

The Recognition

About the A' Design Award Emas

Spiral of Life Fungsi Utama: Peralatan Makan Kaca adalah pemenang A' Design Award Emas, pengakuan yang sangat bergengsi yang diberikan kepada desain kelas satu, menakjubkan, dan menonjol. Pemenang Emas adalah kreasi yang sangat inovatif, visioner, dan berkilau memukau yang mencerminkan kejeniusan, kebijaksanaan, dan kepiawaian para desainernya. Spiral of Life Fungsi Utama: Peralatan Makan Kaca diharapkan menjadi penemuan yang sangat dipuji, perintis tren, dan monumental yang memberikan nilai tanpa preseden. Desain pemenang A' Design Award Emas ini adalah proyek yang spektakuler dan disegani yang sangat bermanfaat bagi dan memajukan batas-batas seni, sains, desain, dan teknologi. Spiral of Life Fungsi Utama: Peralatan Makan Kaca menciptakan perasaan keinginan yang kuat, membangkitkan gairah, mendorong kreativitas, dan memukau kita.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: Fibonacci spirals follow strict mathematical laws yet appear organic and asymmetrical, resisting simple geometric repetition. Traditional Kiriko requires precise vertical and horizontal guidelines before cutting; however, standard grids cannot capture this natural fluctuation while ensuring reproducibility. To solve this, I developed a hybrid approach: maintaining the Fibonacci count with guidelines while manually adjusting each cut to ensure a smooth, living trajectory.
Dimensions & Packaging: The product dimensions are as follows: The rock glass is 77mm in diameter and 92mm in height, as shown in the main image. In optional image #1, the wine glass is 58mm in diameter and 150mm in height. In optional image #2, the soba cups are 81mm in diameter and 62mm in height. In optional image #3, the sake cup is 60mm in diameter and 60mm in height. Finally, the top views of the sake cup and soba cup filled with water are shown in optional image #4.
Tags: kiriko, cutglass, japaneseglassware, glassart
Production Technology: The double-layered glassware is carefully ground and polished by hand using Japanese Kiriko cut glass technology.
Design Challenge: Through rigorous prototyping, I established a specialized system. Smaller vessels like sake cups use an 8 to 13 spiral ratio, while larger items like wine and rock glasses employ a 13 to 21 ratio to maintain proportion. For vessels with decorative bases, such as a soba cup, I meticulously integrated an 8 to 13 spiral on the bottom to enhance aesthetic coherence. This precise scaling was essential to capturing the Spiral of Life across the entire collection.
Research: A true Fibonacci spiral requires clockwise and counterclockwise counts to be adjacent numbers in the sequence. To ensure visual balance and mathematical integrity, I conducted extensive research to determine the optimal pairings, such as 8 to 13 or 13 to 21, based on specific glass diameters and curvatures. This study ensured that the mathematical beauty remains consistent.
Inspiration: I initially struggled to translate the relationship between the sun and the sunflower into glass. The breakthrough came via my daughter Ree, an artist and paint dancer, who shared my fascination with the sunflower Fibonacci spiral. This pattern blends mathematical law with organic asymmetry. Ree physicalized this sequence by synchronizing her leg drawn spiral counts with Fibonacci numbers. Witnessing this kinetic manifestation inspired me to transpose these complex spirals onto Kiriko glass.
Project Duration: The project started in December 2025 in Tokushima, Japan, and finished in February 2026.
Operation Flow: The streamline motifs are executed with wide-angle V cuts. When viewed from the side, patterns on the far surface refract through the front, creating complex layered intersections that evoke the mystery of life. From a top-down perspective, the precise Fibonacci sequence achieves a profound, harmonious balance. The design invokes a rhythmic and engaging experience, mimicking a living pulse. This interaction between light and geometry brings dynamic vitality to the glassware.
Patents: The design is being applied for design registration and will receive copyright protection for registered designs in December 2026 in Japan.
Image Credits: Video Credits:
To demonstrate the rhythmic harmony and life-like pulse of the design, the video showcases the glassware in rotation. This highlights how the patterns shift and intersect dynamically as the perspective changes, illustrating the Spiral of Life concept through the interaction of light, shadow, and the intricate Kiriko hand cuts.