The first collaborative project between iNN Studio and an excellent designer XIONG: Katina TKL. Inspired by the essence of a pure and elegant woman in imagination, Katina TKL embodies three core principles: Elegance, Softness, and Purity. Every detail flows from this vision—a keyboard not only shaped by aesthetics, but designed to convey emotion. This work represents a shared journey of creativity, with iNN Studio providing the foundational platform to refine, realize, and deliver XIONG's original vision as a complete product experience.
Index
- Design - Specifications and Layout - Product Showcase - What is included? - Pricing and Vendors - Follow the development
Specifications
Front
Accent: Located above the arrow keys, the decorative area draws inspiration from the architectural concept "Door of Order." It consists of three refined elements: a stepped nameplate structure, a softly diffused central light, and a finely machined texture line. Together, they create a cohesive visual narrative that balances design intention with emotional resonance.
Bezel: Precisely proportioned bazels—9.5mm top/bottom and 4mm left/right—achieving a balance of intentional whitespace without visual bulk. All four sides taper subtly inward, enhancing its elegant and slender silhouette.
Side
Sculpted Silhouette: The side profile of Katina TKL is defined by an original "Dual-Arc Curve," inspired by the elegant contour of an hourglass. This flowing line is accentuated by a subtle inflection point, lending rhythm and softness to the form. Throughout the design, auxiliary lines—such as the waistline and bottom case line—are carefully integrated not only as transitions but as stages for light and shadow, establishing a harmonious visual order. Floating Sensation: Emotionally, Katina TKL continues iNN’s exploration of a "Floating Sensation." Through precise coordination between the bottom case and external weight, a gem-like cut-out is subtly embedded in the middle. Visible only from certain angles, this restrained detail conveys a sense of quiet presence—as though the keyboard rests lightly upon the desk, inviting a moment of contemplation.
Back
Structure in Balance: The rear view of Katina TKL is composed of three thoughtfully integrated elements: the lower case, an oversized external base weight, and a finely contoured weight plate. The generous use of materials such as stainless steel or red copper creates a striking visual presence, while the extended 18cm span of the weight block is balanced by elegantly curved crescents along its upper and lower edges. These flowing lines not only soften the sense of mass but also echo the hourglass-inspired silhouette of the keyboard’s side profile. The Art of Light: Depth and order define the lower case, where a recessed arc engages in subtle dialogue with the base weight. Within this reserved space, two fading lines extend outward, reinforcing a sense of visual rhythm. A discreetly laser-engraved KATINA logo and a softly diffused LED—guided along the curved surface of the base—add refined detail and ambient sophistication. Through careful proportioning, intelligent layering, and precision mounting, the back achieves a harmonious and deep composition, free of visual clutter.
• Solder： Split Backspace, Split L-Shift, Split R-Shift, Stepped Caps, 3-1-3 Split Sapcebar, ISO Enter, F13 support
Mounting Styles:
O-Ring Mount: Katina TKL adopted a configuration of 5 upper and 3 lower O-ring bosses to support the internal assembly. It also employs standard D3.5 silicone O-ring and includes compatible clearance cuts in the plate for screw-in stabilizers. This delivers a typing experience that is moderately soft and acoustically focused. The design is compatible with most mod parts and accessories readily available on the market, e.g. Nexuros X Geon ‘s PCB Snap & Key Snap
Isolated TOP Mount:
The Katina TKL can also be configured in a top-mounted mode using M2 cup head screws fitted with custom silicone sleeves. The degree of screw tightness can be adjusted to influence the down travel to some extent, while the plate makes only minimal contact with the screw heads. This design effectively isolates vibration and unwanted noise, resulting in a solid typing feedback.
PCB Gasket Mount:
The internal assembly is suspended above the bottom case by the silicone columns, while limiting pins from the top case insert into the columns, restricting planar movement.
In this mode, the entire internal assembly makes no hard contact with the case. Simultaneously, the limiting pins introduce a subtle sense of firmness, giving a character best described as resilient. With plateless mode and 3.7mm available travel space, the typing experience on the alphanumeric zone becomes notably soft and bouncy.
Product Showcase
Color options for Top Case & Bottom Case (Anodized & in the same color:
Anodized Silver Anodized Ice Mauve Anodized Light Teal Anodized Wind Blue Anodized Earth Green Anodized Iris Blue Anodized Spinal Purple Coated Quartz Pink
Deluxe Edition:
Coated Milky White Anodized Gunmetal
For Deluxe Eddition , here are two exclusive design themes:
「Floral」 and 「Shadow」.
The 「Floral」 design employs a traditional motif on a light gold PVD surface, using flowers to symbolize vitality and virtue, creating an aura of understated luxury and grace.
The 「Shadow」 edition draws inspiration from the classic Houndstooth pattern, utilizing advanced Imaging PVD technology to achieve a sophisticated and retro aesthetic. Both represent the limitless artistic potential of stainless steel in our hands.
• Alu top case • Alu or PC bottom case to your choice • Alu internal weight • Alu base piece • SS maching pattern external weight • Alu front accent, choose one of two designs • Solder PCB • Alu plate
What Else is Included?:
1 × Daughterboard + FPCs 1 × LED moudule 15 × D3 hollow silicone grommets (50A hardness) 1 × D3.5mm O-ring (50A hardness) Sufficient limiting pins & spacers Sufficient TOP mount silicone sleeves 16× Custom iNN feet (8 black + 8 white) All necessary screws + spares 1× PET bottom pad 1× iNN Studio custom keyboard carrying case 1× iNN Studio premium velvet bag 1× Exclusive PVC collector’s card All necessary accessory bags & protect Custom shipping carton packaging
Pricing and Vendors
Group Buy Details & Pricing
Format • Global GB • Limited time • Unlimited quantity in both edition
Timeline • CN pre-order opens at 1st Dec 2025 • Global pre-order opens at 7th Dec 2025 • Last to end of the month
MOQ • 200 units
OEM • Hontoo, Shenzhen, China
Pricing Classic Edition : • starting at just $300 -320 Deluxe Edition: • Floral $450-470 • Shadow $480-500 #Note: Prices may fluctuate but remain within this range
ETA Q2 2026 (Due to the one-month shutdown of factories for the CNY) #Note: The manufacturing complexity of motif mirror PVD weightis exceptionally high, resulting in low yield rates. Therefore, deluxe edition orders exceeding 100 units may experience a slight delay in ETA.
Upgrade Options Upgrade to: • Hot-swap PCB • Mirrored PVD SS external weight • SS internal weight • Blasted copper/SS base piece & front accent (comes togerther) Add-ons • Solder PCB • Hotswap PCB • Daughterboard and JST cable • Plate in Alu/PP/PEI/CF/PC • F12 WK/WKL top case • F13 HHKB top case
Vendors:
- The USA and Rest of the world: Click Clack - United Kingdom: ProtoTypist - Europe: - Oceania: Toro Studio - Canada: Unikeys - South Korea: Geon Works - SEA: KTechs
More will be updated.
Join ClickClack’s Discord for the latest updates, discussions, and questions:
