Mosaic is a slow medium in a fast industry. It has absorbed every technology thrown at it for two thousand years and come out doing more or less the same thing: small pieces of hard material, cut and placed by hand, arranged so that colour reads at a distance.

That said, things genuinely are shifting — in what the pieces are made of, in how designs are arrived at, and in the scale the medium is being used at. Here is what is actually changing, and what is not.

What hasn't changed

Worth saying first, because almost everything written about mosaic's future implies otherwise: the making is still manual. Someone selects each piece for its colour and vein, nips it to shape, and sets it. No machine does this, and the reason is not nostalgia — it is that the decisions are too small and too many.

The photograph above is a sun medallion part-built on mesh, nippers still lying on the unfinished edge. That stage looks the same now as it did in a Roman workshop. What has changed is everything either side of it: how the design is arrived at, and where the finished piece goes.

Materials: recycled and reclaimed

The strongest material trend is the use of salvaged stock — recycled glass, broken ceramics, offcuts and reclaimed tile. Partly this is environmental, and partly it is that mosaic is unusually well suited to it: a medium built from fragments does not care whether the fragment began as a tile or as something else.

It also produces a particular look. Reclaimed material carries variation that uniform manufactured tile does not, so the surface has more going on in it. For what the conventional palette consists of, see our guide to tesserae and mosaic stones.

Design has gone digital — the making has not

This is where the real change has happened, and it is worth being precise about which half of the process it affects.

Digital design tools let a pattern be planned, scaled and corrected before a single piece is cut, which matters enormously on work that has to fit an existing space. AI design tools have gone further and put the first draft in the customer's hands — you can describe a piece in a sentence and see options in seconds. Our AI mosaic generator does exactly that, and our guide to AI mosaic design covers what the render becomes once it reaches the workshop.

Augmented reality has quietly solved a different problem: scale. The hardest thing to judge from a photograph is how large a piece will feel on your own wall, and an AR app answers that in a way no image can.

What none of this touches is the cutting and setting. The design stage has been automated; the craft has not.

Architectural scale

Mosaic has moved back out of the frame and onto the building. Commercial atriums, hotel lobbies, pool surrounds, kitchen walls and bathrooms are all carrying work that would once have been a framed panel.

The reason is practical rather than fashionable. Mosaic is one of very few decorative surfaces that is genuinely indifferent to water, sunlight and heavy use, which makes it viable in places where paint, paper and timber are not. A poolside wall and a commercial floor are hostile environments; a mosaic simply does not mind them.

Scale also changes what the medium can do. A design with more pieces in it holds more detail, so a large installation can carry subtlety that the same design cannot at panel size. If you are fitting one, how to install a mosaic covers the mounting, and commercial mosaic projects covers the larger work.

Three dimensions, and crossing into other media

Two related things are happening at the edges of the medium.

Relief and three-dimensional work — setting pieces at varying angles and depths rather than flush — gives a surface that changes as the light moves across it. It is not new; the Romans did it deliberately to catch lamplight. It is being used more.

Hybrid work puts mosaic alongside sculpture, paint or textile in a single piece. This is the genuinely experimental end of the field and most of it happens in artists' studios rather than in commercial production, but it is where the medium's vocabulary is being extended.

For the underlying techniques all of this builds on, see the four methods of making a mosaic.

The ground keeps producing new work

One of the odder features of this medium is that its body of work is still growing backwards. Roman and Byzantine floors are uncovered regularly, often during construction rather than deliberate excavation, and because mosaic survives burial far better than paint or textile, what comes out of the ground is frequently intact enough to read.

This is not only an archaeological matter. Newly uncovered floors feed straight back into contemporary design — patterns, borders and colour combinations that have not been seen for seventeen centuries re-enter circulation. Our guide to Byzantine mosaic art covers the tradition that produced much of it.

Where to see contemporary mosaic

The field is small enough that a few places cover most of it.

Mosaic Arts International, run by the Society of American Mosaic Artists, is the main juried exhibition of contemporary work and the best single place to see where the medium currently is. Museum collections — Ravenna above all, but also the Metropolitan Museum and the British Museum — hold the historic end. And a great deal of current work appears first on artists' own channels rather than in galleries, which is a real change from twenty years ago.

If you want to start making rather than looking, begin with the basics of mosaic art.

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