Lighting Crafted Through Artistry and Machining|Handwork, Precision Processing, and Bringing Out the Character of Materials
Why Precision and Variation Coexist
CTSH lighting begins with "1-micron machining" using state-of-the-art precision lathes and 3-axis machines. However, what keeps our products from being mere industrial goods is the artisan "skill" and the artist's "sensitivity" imbued within them.
The "Expression" of Metal Carved by Artisans
It is the artisan's handwork that breathes life into the perfect forms machined by machines.
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Tsuchime (Hammered Finish): Each piece is struck with a metal hammer, carving rich highlights and shadows onto the metal surface.
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Ittoubori (Single-Blade Carving): Drawing out the strength of the material with confident, decisive blade work.
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Final Finishing and Assembly: From fine-tuning the overall length to the final polishing, we hone the sensibilities that only human hands can achieve, carefully preparing each piece until the very moment it is delivered to the customer.

The "Variation" of Materials Inherent in the Artist's Work
CTSH's lineup also features materials other than metal.
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Ceramics: The warmth of clay and the unique expression created by fire, different for every piece.
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Blown Glass: The dynamism of molten glass taking shape as breath is blown into it. Materials born from the sensibilities of these "artists" bring a "variation" to spaces that machines can never produce.

Here's the key!
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The Fusion of Opposites: The "cold precision" of machines that never deviates by even a micron, and the "organic variation" found in hammered finishes and blown glass. By blending these opposing elements, CTSH creates a light that is "dignified yet warm."
The Pride of Japanese-Made
The workshop where precision parts are made, the workshop where artisans wield metal hammers, and the process of giving form to an artist's sensibilities. All of these are connected by the keyword "Japanese-made." Because both parties oversee their work within their own sight, even different materials fit together perfectly, taking on the presence of a single "work of art."

Machines do not lie, but you can feel the "emotion" in handwork. The powerful lines of Ittoubori carving and the soft light of blown glass. The very act of layering these "traces of the hand" onto precise blueprints is the true joy of our craftsmanship.


