It's no surprise that so many of the oldest and most beautiful azulejos in Portugal and Spain consist of complex geometric patterns. These designs are far more than just pretty decorations. They are the direct legacy of Moorish culture, a mathematical and spiritual work of art brought to life through sophisticated techniques.
But this journey doesn't end in the Middle Ages. It takes us all the way to the 19th century, where geometric patterns experienced a renaissance in Lisbon and became a symbol of urban elegance—like some of the tiles that can be admired in our shop.
Alicatado: The artistic mosaic of the masters
It all began with a complex technique called alicatado . Craftsmen cut tiny mosaic tiles ( aliceres ) from solid-colored glazed ceramic plates and assembled them into perfect geometric patterns. This art required mathematical knowledge and was extremely expensive—a luxury for palaces like the Alhambra.
Cuerda Seca & Arista: Clever techniques for faster production
To meet the growing demand, methods were developed that allowed painting on a single tile. In the Cuerda Seca technique, a greasy line prevented the colors from bleeding into each other. In the Arista technique, a stamp pressed fine elevations into the clay, acting like small dams. These innovations made the painted tiles of Portugal and Spain affordable for many.
The Renaissance of Geometry in the 19th Century: The Estampilha Technique
Following the figurative representations of the Baroque period, geometric design experienced a rebirth in the 19th century. With industrialization and the rise of the middle class, azulejos became defining elements of cities. New, faster production methods were introduced in Lisbon factories such as Viúva Lamego and Constância.
This is where the estampilha, or stencil, technique comes into play. A cut-out paper stencil was placed on the tin-glazed tile ( majolica technique ), and the paint was applied with a brush. The result was a fast, precise, and cost-effective production of serial sample tiles.
Such tiles are characterized by:
- Strict geometric patterns: e.g. diamonds and optical illusions as a further development of traditional patterns, adapted to the taste of the 19th century
- Reduced color: Blue and white as a continuation of the Azulejo tradition that has characterized the tiles since the 17th century
- Urban design element: In cities like Lisbon, it adorned entrance areas or facades and demonstrates the democratization of azulejos – from a luxury item to an everyday urban object.
Anyone holding such a tile today not only touches the legacy of the Moorish masters, but also witnesses a testament to Portuguese modernism and civic pride of the 19th century. It is the perfect gift for Portugal lovers and anyone who appreciates history behind aesthetics.
Here you can explore our framed tiles with geometric patterns .
Sources: Berardo, José, Alfonso Pleguezuelo, and José Meco, et al. 2020. Museu Berardo Estremoz: Catalog . Estremoz: Associação de Colecções.
