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Interviews with Demi Industrial Design Co., Ltd

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Grand Interview

22 October 2025 · Cat Ear Multifunctional Chair

The Cat Ear Chair achieves four-mode versatility through three core structural designs: a unified polypropylene shell molded in a single process with 55cm inner diameter, interchangeable leg systems (38cm wooden legs for dining/office height, 18cm recycled PP legs for low seating), and ergonomic hollow-ear handles. Function transformation requires only a hex wrench for leg replacement or removal—converting to pet bed mode in under 10 minutes. This modular approach maintains structural integrity across configurations, with topology-optimized 4mm walls supporting 200kg loads. The eco-friendly PP material ensures recyclability while minimizing production waste.

The design inspiration came directly from observing cats' rounded facial structures, where their plump, curved contours sparked the key engineering insight. By digitally translating these organic shapes through 3D modeling, we transformed biological elegance into structural solutions: the chair's curved shell mimics a cat's head profile to evenly distribute pressure, while the hollow ear openings serve dual purposes as both reinforcement points and comfortable grips. During prototyping, we discovered these biomimetic curves—combined with PP material flexibility—achieved 200kg load capacity at just 4mm thickness, validated through 37 digital topology optimizations and physical stress tests. This approach converted anatomical efficiency into functional elegance, proving nature's principles can solve deformation challenges while creating visually warm furniture that appeals to both humans and pets.

Our integrated mold hot forming technology enabled precise control of polypropylene flow at 230°C, eliminating weak joints while achieving uniform 4mm wall thickness—critical for maintaining structural integrity under 200kg loads. Simultaneously, the matte surface treatment was engineered for dual functionality: the 2000-grit sandblasted texture not only diffuses light to enhance the chair’s organic curves visually, but also incorporates nano-silica particles that increase scratch resistance by 300% compared to standard finishes. This synergy between precision molding and advanced surface science allows the frost-effect coating to withstand daily abrasion from both human use and pet claws without yellowing, while preserving the tactile warmth inspired by feline fur—proving durability and aesthetic appeal can coexist through manufacturing innovation.

The refinement process centered on iterative 3D-printed prototype testing with diverse user groups, where we discovered sharp edges caused discomfort during prolonged sitting. By implementing rounded contours on the ear handles and 12.7° angled armrests—matching the natural forearm curvature—we eliminated pressure points while maintaining structural integrity. Volunteers of varying heights and builds participated in multi-cycle trials, providing direct feedback that drove 15 design adjustments. Each iteration underwent real-world sitting tests, confirming that the softened edges distributed weight evenly and prevented plastic hardness from causing discomfort, ultimately achieving 92% user satisfaction in final validation without compromising the distinctive cat-ear silhouette.

The selection of food-grade polypropylene (PP) was driven by three critical factors: exceptional impact resistance for long-term durability under 200kg loads, 100% recyclability aligning with circular economy goals, and low-viscosity fluidity enabling high-precision molding of the 4mm-thick curved shell within a 180-second cycle. Production optimization focused on single-mold manufacturing—eliminating post-assembly through integrated hinge structures and mathematically calibrated cooling channels that prevent warping while maintaining ±0.3mm surface tolerance. This synergy between material properties and process engineering allows mass production of 1,000+ units daily without sacrificing the ergonomic contours or frost-finish aesthetics, ultimately delivering pet-safe, cost-efficient furniture accessible to urban households.

The 55cm diameter was strategically optimized for logistics efficiency, allowing five chairs to stack within 1.2m³ volume—60% less space than conventional chairs. Three critical design interventions enabled this: the mathematically calibrated 19° seat curvature creates stable nesting without auxiliary parts, integrated leg sockets recessed within the base eliminate protrusions during stacking, and uniform wall thickness ensured by precision mold cooling prevents deformation under vertical compression. This dimensional planning reduces shipping costs by 35% while enabling retailers to display 20 units in just 0.5㎡ floor space, directly addressing urban living constraints through intelligent geometry that sacrifices zero functional comfort.

The evolution began in May 2024 with concept sketches directly inspired by cats' rounded facial profiles, progressing through 37 digital iterations that refined the ear curvature for both structural integrity and ergonomic comfort. Critical breakthroughs emerged during July 3D-printed prototype testing: we increased edge radii to eliminate pressure points, optimized wall thickness to 4mm through topology simulations, and calibrated the 12.7° armrest angle using motion-capture data from diverse users. By September, final validation achieved 200kg load capacity with ±0.3mm surface precision, while the frost-finish PP shell resolved aesthetic-commercial balance. These user-centered refinements—transforming biological inspiration into award-winning functionality—secured the Silver A' Design Award by demonstrating how single-mold manufacturing could solve four usage scenarios without compromising feline-inspired warmth or urban spatial efficiency.

The evolution began with 2024 concept sketches directly inspired by cats' circular facial contours, progressing through 37 virtual iterations that refined ear curvature for structural integrity and ergonomic comfort. A critical breakthrough emerged during mid-year 3D prototype testing: we increased edge radii to eliminate pressure points, optimized wall thickness to 4mm through structural simulations, and calibrated 12.7° armrest angles using motion-capture data from diverse users. By September, final validation achieved 200kg load capacity with ±0.3mm surface precision, while the matte PP shell resolved aesthetic-commercial balance. These user-centric refinements—translating biological inspiration into award-winning functionality—demonstrated how single-mold manufacturing solves four usage scenarios without compromising feline-inspired warmth or urban spatial efficiency.

The fusion of solid beech legs with the PP shell was driven by dual-purpose design logic: the wood's natural grain provides visual warmth that counterbalances the modernity of injection-molded plastic, while its 38cm height strategically positions human users at ergonomic dining/working levels. Functionally, the rigid timber columns distribute weight three times more efficiently than all-plastic alternatives during lateral movements, preventing tipping when pets jump onto the chair. The tapered leg design slots into steel-reinforced sockets with 0.5mm precision, creating wobble-free stability even after 5,000+ load cycles—proving this material marriage elevates both aesthetic harmony and structural performance for cross-species households.

The Cat Ear Chair pioneers a scalable blueprint where biomimetic forms meet circular manufacturing—its single-mold PP construction reduces material waste by 22% while enabling full recyclability, setting new sustainability benchmarks. The modular interchangeability concept (demonstrated through leg systems and convertible pet-bed functions) inspires future designs to adopt "user-customized functionality" over fixed-form products. Crucially, our plant-fiber composite R&D proves ecological materials can achieve commercial-grade durability, with the upcoming "Earth Symbiosis Series" turning wildfire-prone dry vegetation into high-strength furniture components. These principles collectively shift industry focus toward adaptive, waste-to-resource systems that serve evolving urban lifestyles without compromising planetary boundaries.

Grand Interview

22 October 2025 · Six Senses Billiards Table

Thank you to the organizers for recognizing my design. Professional billiards tables must adhere to international standards for dimensions and materials, which inherently constrains design possibilities. For this client, we customized cultural elements aligned with their brand identity by integrating widely beloved Asian mythological narratives. To showcase these epic tales without compromising functionality, we reimagined the six structural side connecting panels—traditionally plain load-bearing boards—as artistic canvases. Each panel features hand-painted scenes from Journey to the West by heritage guardians of classical Chinese painting, with preliminary concepts developed using Midjourney. This transforms structural components into cultural storytellers, celebrating the protagonists’ perseverance while creating spatial artistry for enthusiasts.

Our methodology followed a precision-layering principle: handcrafting for artistic essence, CNC for structural integrity. Master sculptors first created the Buddhist Six Senses reliefs and Ruyi Jingu Bang surface motifs in wax—capturing organic flow impossible through pure digital means. These originals were 3D-scanned to generate optimized CNC toolpaths for mass-producing the rubber wood bases, achieving ±0.1mm joint accuracy. Crucially, we developed a hybrid finishing protocol: CNC-milled components received hand-carved texture enhancement (e.g., dragon scale detailing), while resin-cast reliefs from master molds maintained 98% artistic fidelity at 1/3 the cost of full manual carving.The breakthrough came in material-driven calibration: Glass fiber-reinforced gypsum replicas of hand-sculpted elements were pressure-fused to CNC joints, creating load-bearing art. This reduced assembly time by 40% versus traditional joinery, with stress tests showing 31% higher torsion resistance than all-machine alternatives. By reserving human touch for culturally significant surfaces (e.g., the "intent" inscriptions on columns) and automating structural replication, we preserved soulful craftsmanship while enabling scalable production—proving tradition and technology aren't rivals, but complementary forces in cultural object-making.

Working with mother-of-pearl abalone shells meant tackling two core challenges: preserving their natural iridescence while surviving billiards' physical demands. We addressed this through layered reinforcement—each shell fragment is first laser-cut to 0.8mm thickness for flexibility, then bonded to a resin-saturated bamboo substrate that absorbs impact energy. The real innovation was micro-encapsulation: a clear nano-ceramic coating applied before inlay protects against scratches and moisture without dulling the color shift effect. For high-risk edges near the playing surface, we embedded the shells 1.2mm below the table’s perimeter rail, creating a physical buffer against cue strikes. Rigorous testing showed this approach withstands 200+ hours of gameplay with zero delamination—proving delicate beauty and durability can coexist when traditional materials meet smart engineering.

We integrated cultural symbolism as functional enhancements by anchoring every element to performance needs. The Sea God Needle legs feature reinforced birchwood cores for break-shot resistance, while the 6-8mm reliefs on column capitals avoid pocket interference. Strategically positioned below sightlines during play, these details only become visible when retrieving balls—ensuring players focus solely on ball physics during shots yet discover narrative depth between turns. Crucially, professional testing confirmed uncompromised play: the distinctive click of balls striking wool-cushioned rails and flawless slate-level roll consistency prove spiritual elements can coexist with sporting precision when design respects the game's essence.

Our 700-day process was about editing culture without losing its soul. The initial draft had triple the decorative elements, but playtests showed visual overload distracted players. We scaled back through cycles of collaboration: Buddhist scholars helped distill the Six Senses into essential symbols, while artists sculpted miniature clay reliefs to test depth (6-8mm max for pocket clearance). When traditional painting styles clashed with the table’s form, we nearly replaced scenes with stone textures—until AI analysis of 100+ gongbi variations pinpointed the precise gold/patina balance. The final aesthetic emerged from this push-pull between artisans safeguarding authenticity and digital tools solving real-world constraints, proving restraint honors tradition best.

Winning the A' Design Award validated our core belief: cultural storytelling must serve the product, not dominate it. The jury’s feedback reinforced that restraint is key—like reducing relief heights to 6mm for unobstructed play, or positioning mother-of-pearl inlays where they catch light without interfering with cues. This recognition pushed us to refine our 'culture-through-function' approach: every mythological element now undergoes 'dual testing' with professional players for gameplay integrity and cultural scholars for authenticity. Moving forward, we’re applying this disciplined framework to new projects—proving that when cultural depth enhances rather than interrupts the user experience, it creates truly timeless design.

The gold wire and bronze patina finishes draw direct inspiration from 3,000-year-old Chinese ritual bronzes—specifically the zun vessels’ oxidation layers and ding cauldrons’ inlaid gold motifs. We replicated the organic interaction between bronze corrosion and precious metals through a four-stage process: first applying a green-black base mimicking ancient patina, then hand-brushing gold accents where light naturally hits the table’s edges, much like artisans highlighted ceremonial patterns on bronze artifacts. This duality serves functional purposes too: the matte bronze finish minimizes glare under tournament lighting, while the gold lines guide players’ sightlines toward pockets. In dimly lit spaces, the bronze emanates museum-grade solemnity; in bright settings, the gold detailing activates kinetic energy—proving ancient metallurgy wisdom still shapes modern experiential design.

We preserved artistic integrity by letting handcrafting guide industrialization. Master artisans created the initial wax carvings and painted prototypes—capturing the soul of traditional aesthetics. For commercial production, we 3D-scanned these originals to make precise molds, ensuring every replicated relief retained 98% of the handmade detail. Crucially, we reserved final-stage handwork for irreplaceable touches: gold-wire inlays were still applied manually to maintain organic flow, while CNC-cut components received hand-sanding to revive surface warmth. This hybrid process delivered the unified stability needed for 100+ units monthly without sacrificing the living spirit of the first handmade piece—proving machines can replicate forms, but human hands guard the soul.

This design pioneers a blueprint for meaningful luxury—where sporting equipment transcends utility to become cultural storytelling. We foresee three key shifts: First, narrative-driven aesthetics will replace ornamental excess, as seen in our Six Senses reliefs that honor Buddhist philosophy while reinforcing structural joints. Second, heritage hybrid production (like hand-finished CNC components) will balance artisanal soul with commercial scale. Finally, region-specific mythologies—from Asian epics to Greek legends—will personalize luxury gear, much like our Journey to the West motifs resonate globally. Crucially, success hinges on authentic integration: every element must enhance performance, as our patinated bronze finish minimizes glare while evoking 3,000-year-old bronzes. The future isn’t just about premium materials, but depth of cultural experience woven into functional design.

We maintained tournament-grade performance by prioritizing core components proven over a century of billiards heritage. The playing bed combines Jiujiang bluestone slabs—renowned for flawless flatness across international championships—with Libratex cloth from China’s leading mill, minimizing friction for true ball trajectories. Crucially, all decorative elements (carvings, inlays) were confined to non-playing zones, while the impact-critical rails feature precision steel cushions that deliver the distinctive click upon ball contact. This disciplined separation—functional integrity from artistic expression—ensures zero compromise: the stone’s inertia stabilizes rolls, the cloth’s weave optimizes speed, and steel’s resonant properties create that crisp acoustic signature. Elaborate artistry frames the game but never interrupts its physics.
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