島の蜃気楼｜MIRAGE IN YUMESHIMA
象徴的な建築群に囲まれた広場という敷地に対して、背景化するように周囲の現象のみを浮かび上がらせる明確なかたちをもたない建築を構想した。平面形状は蜘蛛の巣状に広がり、鉄骨の躯体には、円周方向への変化に応じて可変的に追従できる3Dプリント製のポリカーボネートパネルが取り付けられている。いかにも3Dプリント的な完結した壺のような形状は避け、あくまで従来の建築手法の延長上に位置付けられるデザインを模索した。その結果、複雑な形状や寸法の変化に対応できる3Dプリントの特性を生かし、パネル工法を採用した。反射性と透過性をあわせ持つ湾曲したパネルは、周囲の光を複雑にとらえ、周辺環境との関係によってその存在が浮かび上がる。会期中に現れ、その後はまた別の場所へ循環していく、刹那的な光を纏う建築は、島に浮かぶ蜃気楼のようである。
用途：トイレ
構造：鉄骨造
階数：平屋
最高高さ：2,650mm
軒高：2,450mm
敷地面積：201.51㎡
建築面積：100.81㎡
延床面積：100.81㎡
設計監理：PONDEDGE + farm
構造設計：オーノJAPAN
設備設計：ZO設計室
3DP設計協力・製造：VOID+ND3M
施工：セットアップ
写真：JUMPEI SUZUKI
ARC : PONDEDGE + farm
STR : Ohno Japan
MEP : ZO Consulting Engineers
3DP Design Collaboration & Fabrication : VOID + ND3M
Structure / Number of Floors: Steel Frame / Single-story
Constructor: Setup
Total Floor Area: 100.81 m²
photo：JUMPEI SUZUKI
In response to the context of a plaza surrounded by iconic architectural landmarks, this structure was conceived not as a clearly defined form, but as something that recedes into the background—an architecture that allows only the phenomena of its surroundings to come into focus. As a restroom located in a highly open environment, the aim was to achieve a space that is both bathed in light and carefully considers the need for privacy. Its plan spreads out in a web-like pattern, and affixed to its steel frame are 3D-printed polycarbonate panels that flexibly adapt to variations along the circular axis. Rather than adopting a self-contained, vessel-like form often associated with 3D printing, the design was positioned as an extension of conventional architectural methods. As a result, a panelized system was chosen, leveraging the adaptability of 3D printing to accommodate complex geometries and dimensional shifts. The exterior perimeter panels are printed with the coping, designed to obscure the presence of the roof entirely. While the polycarbonate panels run along the circular direction, the radial elements—such as walls and low partitions—are finished with Galvalume steel sheets, ensuring a consistent tone and reflective quality of light. Inside, the ceiling is composed of soft aluminum insulation, creating a gently glowing surface of light. In the accessible restroom, dual layers of 3D-printed walls generate a full-height luminous plane. The wave-shaped 3D-printed panels inherently contain distortions from the fabrication process, which are intentionally embraced as part of the architectural expression.The 3D-printed panels, which combine reflectivity and translucency, intricately capture surrounding light, allowing the building’s presence to emerge through its relationship with the environment. Appearing only during the exhibition, this architecture then continues its journey to another place. Veiled in transient light, it evokes a mirage floating above an island.