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Claypaky’s architectural lights illuminate nativity scene in St. Peter's Square

For the 2018 Christmas holidays, the Vatican City has set up a nativity scene in St. Peter's Square which was made of sand. The nativity scene was donated by the Municipality of Jesolo, Italy, which has celebrated Christmas for the past seventeen years with Jesolo Sand Nativity, an exhibition of nativity scenes made from sand by artists from all over the world.

A large box of compressed sand was placed in the middle of the square at the end of November. The work was created by a team of artists, who gradually shaped the block of sand to create a three-dimensional sculpture. The nativity scene is housed in an aluminium casing with power-driven curtains that protect the sculpture from the elements.

Architect Carlo Tagliapietra looked into many possible ways of illuminating the work with different types of light. In the end, he chose Odeon Flood units made by Claypaky. Eight Mini RGBW Odeon Flood units with a 25° beam angle were used to illuminate the nativity scene in St. Peter's Square from above, and a 15° beam angle model was pointed at the crib.

The project was developed by Osram through its Claypaky brand, and supervised by architect Carlo Tagliapietra with the support of the Technical Services Department of the Governorate of the Vatican City State.

During the programming stage, Carlo Tagliapietra and Massimiliano Biava, Claypaky's project manager for the architectural line, regarded the sculpture as consisting of three conceptual sections. They kept the colour temperature constant in the middle for the crib and used a warmer white on the other sections.

Ten second dynamic white lighting cycles from 3200 K to 4000 K were set up using a special control system. Riccardo Garbuio from Arcadia Digital provided support during the rigging and programming stage.

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