Cadence of the Spiral Tlhophiso ea Motsamao by Yusuke Kamiyama

Cadence of the Spiral Tlhophiso ea Motsamao by Yusuke Kamiyama is a highly esteemed winner of the very prestigious 2026 Moputso oa Silevera oa A' Design Award in Moralo wa Bonono bo Botle le Diketso tsa Bonono Competition Category.

SileveraBonono bo Botle· 2026

Cadence of the Spiral Tlhophiso ea Motsamao

by Yusuke Kamiyama

Client: Spline Design Hub Inc.

Moputso oa Silevera oa A' Design Award Winner in Bonono bo Botle Category

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The Design

About Cadence of the Spiral Tlhophiso ea Motsamao

Cadence of the Spiral e hlahloba nako e le ntho e tenyetsehang, e amanang le tse ling, le e phelang. Lethathamo la tšepe ea spring e sa hloekisoeng le bopiloe ka sebopeho se ntseng se fetoha kamehla ke matsoho a mashome a mararo a mochini. Matsoho a sutha ka mekhoa e nonyelletsang, e fetolang maemo. Ha spiral e phefumoloha, e sokoloha, le ho ipheha hape, ha ho na metsotso e mebeli e tšoanang. Mosebetsi ona o bululetsoe ke mainspring ea oache ea mochini. O hlalosa bocha tšepe e thiniloeng e le sejana sa matla a bolokiloeng le phallo ea nako. Motsamao ha o pheteloe. Ho fapana le moo, phetoho e senoloa ka phapang e laoloang. Nako ha e lekanngoe, empa e utloahala.

The Recognition

About the Moputso oa Silevera oa A' Design Award

Cadence of the Spiral Tlhophiso ea Motsamao ke mohapi oa Moputso oa Silevera oa A' Design Award, kananelo e hlomphehang haholo e fuoang meralo e phahameng ka ho fetesisa, e ntle le e tsosang maikutlo. Bahapi ba Silevera ke mesebetsi e khanyang haholo le e nang le boqapi bo ikhethang e bontšang botsebi, talenta le bohlale ba baqapi ba eona. Cadence of the Spiral Tlhophiso ea Motsamao e lebelletsoe ho ba mosebetsi o motle, oa mohlala, o nang le boprofeshenale bo bonahalang le mehopolo e mecha e tebileng. Moralo ona o hapileng Moputso oa Silevera oa A' Design Award ke mohopolo o hlokomelehang haholo le o ratoang o tlisang molemo mme o sutumelletsang meeli ea bonono, mahlale, moralo le theknoloji. Cadence of the Spiral Tlhophiso ea Motsamao ke mosebetsi oo batho ba bangata ba o lakatsang, o tsosang litakatso, o tlisang maikutlo a matle le o tsosetsang ho makala le ho hlolla.

Behind the Design

Press Kit

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

Unique Properties: A long stainless-steel spiral is dynamically deformed by independently actuated arms, generating continuous reorganization through tension and release. Unlike static sculpture, the form never settles; it is constantly restructured into shifting orders. The spiral functions as a physical model of time—elastic, unstable, and relational. Controlled irregularity replaces mechanical uniformity, allowing viewers to perceive time not as measurement, but as a living and evolving order.
Dimensions & Packaging: Material: Blast-finished stainless spring steel (0.3 mm thickness, 80 mm width)
Spiral pitch: 100 mm
Number of turns: 10
Control: PC-based control system
Installation footprint: Approx. 2000 mm × 2000 mm × 2000 mm
Power: AC 100–240 V
Tags: Kinetic art, Spiral structure, Time perception, Mechanical rhythm, Parametric design, Stainless steel sculpture, Dynamic installation, Temporal form
Production Technology: A custom-fabricated stainless-steel spiral plate forms the core structure, paired with a bespoke linear actuation system developed for this work. Most mechanical components—including joints, mounts, and structural interfaces—were custom-designed to enable precise distributed deformation. Motion is coordinated through a PC-based control architecture enabling synchronized, phase-shifted oscillations. Parametric modeling and simulation optimized stress distribution and torsional balance.
Design Challenge: The primary challenge was balancing structural stability with expressive flexibility. The spiral required sufficient rigidity to maintain form, yet enough elasticity to allow dynamic deformation. Managing distributed mechanical stress while achieving organic motion demanded extensive iteration. Technological constraints of synchronized actuation and material fatigue also required innovative solutions to preserve both safety and poetic integrity.
Research: This practice-based design research explores time as a spatial and kinetic phenomenon. Through iterative prototyping combining mechanical engineering and artistic experimentation, parametric modeling, structural simulation, and motion analysis were employed. Audience observation during exhibitions informed the study. The research identified perceptual shifts generated by micro-irregular motion, demonstrating how controlled instability enhances emotional engagement and contributes to contemporary kinetic art and experiential design.
Inspiration: Inspired by the mainspring of a mechanical watch, Cadence of the Spiral reconsiders the spiral beyond its functional role. The tightly wound strip of metal appeared as a vessel containing latent energy and rhythm of time itself. When gently lifted, it responded with subtle motion, as if about to begin a heartbeat. The spiral thus emerged not as an object, but as a physical manifestation of invisible time—an embodiment of tension and release within temporal experience.
Project Duration: The project began in Tokyo in March 2025 and was completed in November 2025. Prototyping and structural validation were conducted in Tokyo. Developed in collaboration with Seiko Watch Corporation to explore the cultural and mechanical heritage of horology, the work was exhibited in Japan and is currently being prepared for international presentation.
Operation Flow: The spiral slowly shifts between tension and release. As the supporting arms extend and retract, the form breathes, twists, and reorganizes itself. There is no fixed choreography; instead, subtle variations create moments of alignment and misalignment. Viewers experience a continuous transformation—sometimes synchronized, sometimes slightly off—evoking the sensation of time that never fully repeats yet always returns.
Patents: Copyrights belong to Spline Design Hub Inc., 2025.
Team Members: Yusuke Kamiyama
Shin Sakamoto
Kaku Murayama
Fumiya Nakano
Image Credits: IMAGE CREDITS: Daisuke Ohki