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Interest Checks / (IC) KŌBŌ ISSHI Exploring Stone as a 65% Keyboard
« Last post by KOBO ISSHI on Sat, 13 June 2026, 11:23:00 »Hello Everyone,
What began as a simple curiosity with stone evolved into a two year-long obsession.
Today, Im proud to present the KOSANJI case a 65% exploration into marble as a keyboard.
Available in both Carrara White and India Green.
What began as a simple curiosity with stone evolved into a two year-long obsession.
Today, Im proud to present the KOSANJI case a 65% exploration into marble as a keyboard.
Available in both Carrara White and India Green.
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Specifications 仕様
| Layout | Compatible with most 65% PCBs and plates, including KDFans DZ65 and YMD-65% ZJ68 by YMDK | ||
| Dimensions | 340 Χ 145 mm | ||
| Typing Angle | 6° | ||
| Front Height | ~20 mm approx. | ||
| Mounting Style | Tray mount | ||
| Finish | Polished and sealed for protection, durability, and a smooth desk-ready finish | ||
| Weight Estimate | ~2.0 kg approx. | ||
| Standoffs | Removable allows users to fine-tune typing feel | ||
| Top Design | Raised forehead + functional pen groove for balance and utility | ||
| Uniqueness | Each case is shaped from a single block of marble, with natural variations in grain and veining making every KOSANJI case visually unique |

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Stone Variants 石の種類
| Carrara White | A classic Italian marble featuring soft grey veining on a clean white base. Refined, subtle, and timeless. | ||
| India Green | A darker, more textured stone with deep forest tones and mineral complexity visually striking yet balanced. | ||
| Each case is shaped in-house from a single block of marble, with natural variations in grain and veining making every KOSANJI case visually unique. | |||
Inspiration 着想
| Ive always admired the Japanese approach to craft treating tools with intention, allowing materials to guide the process, and accepting that refinement takes time. | |||
| Working with stone forced that mindset. It doesnt bend easily to direction. It reacts, resists, and asks for patience. Precision meets unpredictability both the challenge and the appeal. | |||
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Key Information 重要情報
| Units | 50 Χ Carrara White / 50 Χ India Green | ||
| Availability | Additional units may be produced if demand exceeds the initial allocation. | ||
| Pricing | Carrara White $249 USD India Green $249 USD | ||
| Shipping | $50 USD. Im based in Thailand, and due to the weight, shipping is costly, but I will do my best to absorb anything above the $50 charge within reasonable limits. | ||
| Production Lead Time | 90 days from the close of GB. | ||
| What's Included | 1 Χ 65% marble case, aluminium USB port, and standoffs. |
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If you have questions or thoughts, Id love to hear them your feedback will directly influence how the KOSANJI case takes its final form.
Thank you for reading this far. Truly!
I will be uploading higher-resolution images to Discord in the coming days, so please feel free to drop by and say hello.

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