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About Tonn Design

Tonn Design is a design studio specializing in interior architecture, design consultancy, and custom-made furniture and textiles. Based in Miami and Istanbul, the studio works on a range of residential and commercial projects, blending global perspective with local craftsmanship.

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Led by Owner & Lead Designer Ilhan Caylak, an interior architect known for a thoughtful and refined approach, Tonn Design offers a tailored, human-centered design process. Ilhan brings together spatial harmony, aesthetics, and cultural awareness in each project — believing that design is not only about how a space looks, but how it works and feels.

We provide end-to-end interior design services, from initial layout planning and material selection to custom furniture design and styling.

 

Our consultancy services support clients, developers, and fellow designers in decision-making processes — offering creative direction, sourcing guidance, and design alignment.

In addition to our interior work, we also develop limited-run furniture and textile pieces, crafted in collaboration with skilled artisans in Istanbul. These collections reflect the studio’s signature: tactile, refined, and timeless.

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Tonn Design is committed to creating environments that feel authentic and intentional — places where form meets function, and where each detail supports a larger story. Whether you're building a new home, refreshing a space, or searching for distinctive pieces, we design with clarity, care, and character.

About our services

Interior Design 

Floor Plan

We plan your spaces based on your needs, habits, and design preferences. Together, we select functional and aesthetic furniture or products to create beautiful environments tailored to you.

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3D Modeling and Renderings

We offer rendering services for designers and clients. Our models are created according to the project brief, using selected materials, furniture, and textures. Just like our other projects available on our website, we deliver a complete visualization of your spaces.

Consultancy

Furnishing and Shopping

We assist you in selecting furniture and products that suit your space, needs, taste, and budget. Together with you, we curate unique combinations of materials and items. Let’s co-create stylish and harmonious spaces!

Home Accessories

Unique Collection

Where craftsmanship meets storytelling. Our atmospheric objects bring every tale to life. Let us enrich your space with pieces that suit every style and taste.

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