Urban Banyan Okindegi-kafetegi baten Barne Diseinua by Shinjiro Heshiki

Urban Banyan Okindegi-kafetegi baten Barne Diseinua by Shinjiro Heshiki is a highly esteemed winner of the very prestigious 2026 Brontzezko Saria A' Design Award in Barruko Espazioa eta Erakusketa Diseinua Competition Category.

BrontzeBarrualdea· 2026

Urban Banyan Okindegi-kafetegi baten Barne Diseinua

by Shinjiro Heshiki

Client: Runva Company Inc.

Brontzezko Saria A' Design Award Winner in Barrualdea Category

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The Design

About Urban Banyan Okindegi-kafetegi baten Barne Diseinua

Urban Banyan Okinawako Naha hiriko okindegi-kafetegi baten barne diseinua da. Espazioaren erdigunea banyan zuhaitz eskultoriko bat da, 6000 mm zabal eta 3600 mm garai. Eskulturak listoi-oholak, morteroa eta igeltsu artistikoa konbinatzen ditu, eta 3D inprimatutako erretxina arinak adarrak osatzen ditu, suteen aurkako segurtasun arauak betez. Kanpoaldean errotulazioa ez zegoenez baimenduta, 14,5 metroko beirazko fatxadak 3 mm-ko panel akrilikoak daramatza, hosto erdi-gardenekin inprimatuak. Atzeko argiztapenak dendaren fatxada linterna epel bihurtzen du gauez.

The Recognition

About the Brontzezko Saria A' Design Award

Urban Banyan Okindegi-kafetegi baten Barne Diseinua Brontzezko Saria A' Design Award irabazlea da, sormenak, asmamenak eta zorroztasunak bereizten dituzten diseinu bikainei ematen zaien aitorpen oso prestijiotsua. Brontze-mailako irabazleak trebetasunez beteriko eta nabarmenki sortzaileak diren artefaktuak dira, beren diseinatzaileen esperientzia zabala, irudimena eta ekimena egiaztatzen dutenak. Urban Banyan Okindegi-kafetegi baten Barne Diseinua oso estimatua, miretsia eta maitea den objektua izatea espero da, nabarmenki profesionala eta berritzailea dena. Brontzezko Saria A' Design Award irabazi duen diseinu honek artearen, zientziaren, diseinuaren eta teknologiaren praktika onenak biltzen ditu eta xehetasunei ematen dien arretagatik bikaina da. Urban Banyan Okindegi-kafetegi baten Barne Diseinua beharrak bikain asetzen dituen, desirak ukitzen dituen, sentimenduak xarmatzen dituen eta jakin-mina erakartzen duen lana da.

Behind the Design

Press Kit

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

Unique Properties: Centered around a sculptural Banyan tree, this interior blends art and architecture to provide emotional comfort. Embracing the aesthetic of light and shadow, it creates a serene atmosphere. Overcoming strict exterior signage bans, the glass storefront functions as a City Lantern. Semi-transparent leaf prints on acrylic project a warm, organic glow onto the street at night, serving as an architectural beacon without violating building codes.
Dimensions & Packaging: Banyan Tree Artwork: 6000 mm (W) x 3600 mm (H). Acrylic Print Panels: 14500 mm (W) x 1200 mm (H).
Tags: bakery cafe, spatial design, banyan tree, organic interior, lantern facade, light and shadow, digital fabrication, mortar craft, japanese design, okinawa
Production Technology: To meet fire codes, the banyan sculpture uses a hybrid of lath boards, mortar, and artistic plaster. Complex branches integrate lightweight 3D-printed resin to reduce load. The 14.5m window features 3mm acrylic panels with semi-transparent leaf prints. Backlit for a lantern effect, it leverages western exposure, creating a dramatic interplay between the interior and twilight.
Design Challenge: Due to tenant restrictions, no exterior signage was permitted. To overcome this limitation, the design reimagined the entire window surface as a glowing lantern visible from the street, creating both a signature presence and cost efficiency without breaching the building facade rules.
Research: Research focused on material innovation to balance art with strict fire safety. We developed a lightweight structure integrating 3D-printed resin components and noncombustible mortar. We also explored reversible attachment mechanisms for the long-span acrylic window panels. This demonstrates a sustainable approach to large-scale indoor art installations, merging traditional crafts with digital fabrication.
Inspiration: In the concrete jungle of Naha City, this design reintroduces the primal comfort of nature. Inspired by the Okinawan Banyan tree (Gajumaru), revered in folklore as the abode of spirits, the space serves as a modern sanctuary. The concept visualizes the invisible 'Life Force' of the island. By integrating the organic forms of the Banyan with the play of light and shadow, the design transforms a commercial space into a spiritual shelter, offering a moment of primitive healing amidst urban hustle.
Project Duration: The project started in Nov 2024 in Naha City, Okinawa and finished in March 2025
Operation Flow: Guests enter beneath the symbolic canopy of the banyan tree and are naturally guided toward seating areas that embrace the soft western light. The filtered illumination through the acrylic leaf screens shifts subtly throughout the day, providing visitors with a tangible sense of passing time. This visual and spatial rhythm intentionally encourages people to slow their pace, breathe deeply, and experience emotional serenity while enjoying their coffee and bread.
Patents: Copyrights belong to Conception Co., Ltd., 2025.
Image Credits: Photographer: Masahiro Ishibashi