The PLA Modular Chair Reconfigures into Multiple Seating Forms
Amy Duong — December 5, 2025 — Art & Design
References: behance.net & keyshot
The PLA modular chair is a seating concept by designers Sihun Lim and Hyeonggyun Han that uses a single spherical connector to create three configurations. The module acts as a central joint that supports interchangeable PLA components and metal connectors, enabling assembly as a stool, a lounge chair, or an extended reclined structure. The system relies on snap-fit parts engineered for stability, and each piece is shaped to align with the sphere’s geometry so the structure maintains support when reconfigured. The approach focuses on reducing material waste by allowing a single kit to fulfill several functional roles.
The three formats, identified as O1 P, O2 A, and O3 L, differ in height, backrest angle, and leg arrangement while sharing a consistent visual language. The modular components can be swapped without tools, and the lightweight construction improves portability.
Image Credit: Sihun Lim, Hyeonggyun Han
The three formats, identified as O1 P, O2 A, and O3 L, differ in height, backrest angle, and leg arrangement while sharing a consistent visual language. The modular components can be swapped without tools, and the lightweight construction improves portability.
Image Credit: Sihun Lim, Hyeonggyun Han
Trend Themes
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Sustainable Furniture Solutions — Modular designs like the PLA chair emphasize reducing material waste by enabling multiple configurations from a single set of components.
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Tool-free Assembly Techniques — Furniture designs that allow reconfiguration without requiring tools are revolutionizing the user experience and simplifying consumer interaction.
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Geometry-inspired Design — Inspiration from spherical geometries in components enhances structural support while allowing versatile applications in seating solutions.
Industry Implications
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Furniture Manufacturing — The rise of modular and sustainable design concepts is transforming traditional production processes and material use.
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Consumer Products — Customizable and easy-to-assemble products cater to the growing demand for personalized and flexible consumer goods.
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Interior Design — Innovative reconfiguration in furniture design offers design professionals versatile solutions for dynamic spatial arrangements.
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