Remember when you were a kid and every toy was an invitation to build something new? Designers Sihun Lim and Hyeonggyun Han are bringing that same playful spirit to furniture with their PLA modular chair concept, and honestly, it’s the kind of design that makes you wonder why all furniture isn’t this fun.
The PLA project is built around a simple but brilliant idea: what if you could customize your chair the same way you’d snap together building blocks? At the heart of each design is a spherical connector module that acts like a universal joint, letting you attach different seat backs, legs, and structural elements to create wildly different chair styles. It’s furniture that refuses to be just one thing, and in our era of tiny apartments and ever-changing aesthetics, that flexibility feels genuinely exciting.
Designers: Sihun Lim, Hyeonggyun Han
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What really sets this concept apart is its unapologetic space theme. Lim and Han didn’t just create modular chairs; they created modular chairs inspired by the cosmos, and that choice transforms what could have been a purely functional exercise into something that sparks imagination. The three main designs (cleverly named O1-P, O2-A, and O3-L) each take inspiration from different space exploration imagery, turning everyday seating into conversation pieces.
The O3-L sunbed takes inspiration from satellites orbiting in space, complete with distinctive panels that evoke solar arrays. The design has this wonderful industrial edge to it, with metal connecting elements that create visual interest while serving the practical purpose of holding everything together. When viewed from above, it really does resemble a satellite, right down to the way the components radiate from that central spherical hub.
Then there’s the O2-A chair, which draws from Saturn’s iconic silhouette. When you look at it from the side, you can see how the designers translated those distinctive planetary rings into flexible curves that wrap around the central sphere. The result is a chair that feels both organic and architectural, with legs that flow in elegant arcs. It’s the kind of piece that would look equally at home in a sleek office or a retro-futuristic cafe.
The O1-P stool channels the moment a lunar rover touches down on the moon’s surface. The body of the rover becomes the seat, while the landing legs translate into the stool’s four individually configurable legs. It’s that perfect intersection of form following function and function following fantasy. You can practically imagine Neil Armstrong’s voice as you pull up a seat.
The color palette is another smart choice. Instead of playing it safe with neutrals, the designers went bold with electric blues, coral pinks, and eye-popping lime greens. These aren’t colors that fade into the background; they’re colors that announce themselves. Combined with the metallic silver pipes and connector elements, the chairs have this retro-futuristic vibe that feels fresh rather than dated. It’s very “The Jetsons meet contemporary Scandinavian design.”
Beyond the aesthetic appeal, there’s something genuinely progressive about the modular approach. We live in a world drowning in disposable furniture, where a wobbly chair leg often means the whole thing ends up in a landfill. With the PLA system, you could theoretically swap out broken parts, reconfigure your setup as your needs change, or completely transform your chair’s personality with new modules. It’s furniture that grows with you rather than becoming obsolete.
The designers describe PLA as embracing the concept of “Universe,” suggesting infinite possibilities for decorating and shaping according to imagination. That might sound a bit grandiose, but when you look at how the same central sphere can anchor completely different chair personalities, the metaphor tracks. It’s about giving users creative agency over their environment, letting them become co-creators rather than just consumers.
Of course, this is still a concept design, which means we can’t run out and buy one tomorrow. But that’s actually what makes projects like this so valuable. They push the conversation forward about what furniture could be, challenging both manufacturers and consumers to think beyond the static pieces we’ve accepted as normal. Whether or not the PLA system ever makes it to production, it’s already succeeding at its most important job: making us reimagine the everyday objects in our lives as canvases for creativity and play.
The post This Modular Chair Transforms Into 3 Designs With One Sphere first appeared on Yanko Design.
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