The interior design guide
Open Rayon

The interior design guide. A definitive knowledge base for interior designers.

From first principles to the finishing touches: shell, surfaces, space planning, furniture, electrics, plumbing and joinery, in the order a project runs.

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The Lexicon.

Every term, in plain words.

From hue and light reflectance to bonding and kick space, every term the guide uses has a short definition, what to know in practice and the pages that use it.

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The guide has an MCP server, so your assistant can search it, read its pages and cite them while it answers you. It is free, read-only, and needs no account or key.

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The interior design guide.

A definitive knowledge base for interior designers.

Eleven chapters take a home from first principles to the moment you show it to the client. Start with Foundations and read in order, or search for a topic, a term or a rule of thumb.

Chapters.

Eleven steps, from principles to presentation.

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Where to go next.

Surfaces.

What covers floors, walls, ceilings?

Floors, walls and ceilings are the largest areas in any room, and they set its light, colour and sound before a single piece of furniture arrives. This chapter covers choosing finishes that work together, reading colour on real materials, and detailing the places where surfaces meet.

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Sections.

Everything about surfaces.

Planned

Flooring by room

Choosing a floor for each room by wear, water, warmth and sound.

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Planned

Colour: undertone, LRV, light

Reading undertones, using light reflectance values and testing colour in real light.

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Planned

Paint sheen by surface

Matt, eggshell or satin: the right sheen for every wall, ceiling and trim.

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Planned

Stone and tile

Choosing stone and tile, laying patterns and planning the cuts.

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Planned

Joinery materials

Timber, veneer, lacquer and laminate, and where each one belongs.

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Planned

Junctions and transitions

Where two materials meet: thresholds, trims and the details that hold up.

Ready soon

Keep reading.

Where to go next.

Units