鍵立KAGITATE
手の骨格から、一台を仕立てる。

A keyboard designed
from your hands.鍵

Kagitate (kah-ghee-tah-teh) is a bespoke workshop for sculpted ergonomic keyboards. We measure the bone structure of your hands — finger lengths, joint positions — and derive every key position from it. Instead of forcing your hands onto an off-the-shelf board, we shape the board around your hands.

The Kagitate Way

Keyboards, tailored the way a bespoke suit is tailored.

壱

Designed from your bones

From your hand's skeletal data — metacarpal and finger lengths, joint positions — our algorithm derives the position, angle and height of every single key. Your fingers do not reach for the keys; the keys wait where your fingers naturally fall.

弐

A fitting before the build

Before the final build, we ship you a fitting kit — a printed test plate. Rest your fingers on it, tell us how it feels, and we adjust the design. "It arrived but doesn't fit" is designed out of the process.

参

A sculpted split enclosure

A split, sculpted enclosure whose keys follow the curvature of your palms in three dimensions. Each one is 3D-printed individually from your design data, which you can inspect in our browser-based 3D viewer.

Past builds

Keyboards we have tailored to our customers' hands.

A Kagitate build: a sculpted split keyboard with a trackball built into the center
A sculpted split pair with a trackball built into the center, and four thumb keys on each side.

How it works

From order to delivery in roughly 4–6 weeks, depending on fitting rounds.

Illustration of the ordering process: application, hand measurement photo, 3D design review, fitting plate, finished keyboard delivery
  1. Consultation

    Tell us your preferences — switches, rows, tenting — through the form. Nothing is charged at this point.

  2. Hand measurement

    Print our A4 measurement sheet, place your hand on it, photograph it with your phone and send it in. We read the skeletal data for you.

  3. 3D design reviewprivate link

    We design your enclosure from the measurements and send you a link to a 3D viewer you can rotate in the browser. Once you approve the design, payment is handled through our shop on BOOTH, a marketplace run by pixiv.

  4. Fitting kitfitting

    Once payment is confirmed, a printed test plate of the key wells arrives at your door. Rest your fingers on it, and we fine-tune the design from your feedback. If the 3D review is enough for you, you can skip the fitting kit and we will take its cost off the price.

  5. Final build & delivery

    We build your keyboard from the finalized design and ship it to you.

Now accepting pilot orders

Ahead of our full launch, we are taking a small number of pilot orders from people willing to walk through the tailoring process with us. Pricing and specifications are quoted individually, and payment is handled securely through BOOTH (by pixiv). We currently ship within Japan; international shipping is available on request.

Request a pilot consultation

What is a sculpted split keyboard?

Arguably the end game of ergonomic keyboards.

A Kagitate enclosure is sculpted in three dimensions: its keys sit in bowl-shaped wells that follow the curvature of your palms. We feed your hand measurements into our own parametric design software, which derives the position, angle and height of every key from the length of each finger and the position of each joint, then generates the enclosure itself. A curved shell like this can only be made by 3D printing — and because keys are placed to match each finger, finger travel is dramatically shorter than on a flat keyboard.

Being a split keyboard, it lets you place each half at shoulder width and type in a natural posture, avoiding the wrist angles — ulnar deviation and forearm pronation — that a single flat board forces on you. It is a favorite of engineers and writers who spend all day at the keyboard and want to reduce the strain on their wrists and shoulders.

Off-the-shelf ergonomic boards and sculpted DIY kits come in fixed sizes designed around an average hand. Kagitate starts somewhere else entirely: we measure the bone structure of your hands and compute the position, angle and height of every key, then design and build a one-of-a-kind enclosure. No 3D printer, no soldering, no assembly — it arrives fully built.

Frequently asked questions

Common questions about ordering a bespoke keyboard.

What is a sculpted keyboard?

A keyboard whose keys sit in bowl-shaped wells that follow the curvature of your palms, which dramatically shortens finger travel compared with flat keyboards. Kagitate generates every enclosure with its own parametric design software, deriving each key position from your individual hand measurements.

How is this different from off-the-shelf ergonomic or split keyboards?

Off-the-shelf boards are fixed shapes designed for an average hand. Kagitate measures your metacarpal and finger-bone lengths and joint positions, then computes the position, angle and height of every single key — so your hands shape the enclosure itself.

Why does it cost more than mass-produced split keyboards?

Switches make up most of a keyboard's cost. Mass-produced keyboards keep their prices down by using inexpensive switches and one fixed shape made in volume. Every Kagitate keyboard is made to order: we measure your hands, design the shape around them and 3D-print it. We don't compromise on that fit, which is what makes it easier on your body and more comfortable to use, and that's where the price difference comes from.

How much does it cost?

During our pilot period, pricing is quoted individually based on your configuration (split pair or single hand, switches, rows). Consultation, hand measurement and design review are free — you only pay after approving the design. If it's above your budget, we can bring the price down by choosing more affordable switches and keycaps.

How long does it take?

Roughly 4–6 weeks from application to delivery, depending on how many fitting rounds are needed.

Which switches can I choose?

You can choose MX-compatible (standard) or Choc (low-profile) switches. If you're not sure, we'll recommend some based on your preferences.

Is the layout standard QWERTY?

Yes, it starts from a standard QWERTY layout. A split keyboard lets you put frequently used keys such as space, backspace and enter under your thumbs. A 4-row build can include a number row, and the keymap can be changed later.

Are the two halves connected?

The halves are separate enclosures connected with a TRRS (4-pole) cable, so you can place each one wherever is most comfortable, for example at shoulder width. The wireless version needs no cable between them.

Is it wireless?

Our standard build is wired. Wireless modules and lithium batteries add safety considerations and cost, so we chose wired as the default. We can build a wireless version on request: the cost of the wireless modules and batteries is added. The price depends on the battery capacity, so just ask.

Can I add an OLED screen?

Yes, we can add a small OLED screen to each half. It shows the active layer and more, and on the wireless version also the battery level and connection status. The cost of the parts is added to the price.

Do you ship internationally?

We are based in Japan and currently ship domestically; international shipping is available on request — just mention it in the consultation form. International shipping is charged at cost, and any import duties or taxes are paid by the buyer. For wireless builds, the lithium batteries can limit shipping options to some countries.

What if the finished keyboard doesn't fit my hands?

Before the final build we ship a fitting kit — a printed test plate of the key wells. You rest your fingers on it, tell us how it feels, and we fine-tune the design before manufacturing. Misfit is designed out of the process. If you would rather skip the fitting kit, we take its cost off the price.

Start a free consultation