SPIRAL EXPANSION OF MUSCLES IN MOTION

New photo discovered

 

During the final stages of reconstructing Spiral Expansion of Muscles in Motion, we identified a previously overlooked photograph that, to our knowledge, had not been associated with this sculpture. The image was published in the January 1917 issue of Il Secolo Illustrato (1).

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In the publication, F. T. Marinetti is pictured standing next to Unique Forms of Continuity in Space. However, the most intriguing detail appears in the top-right image on the page. At first glance, it could be mistaken for the same sculpture, but closer analysis reveals distinct differences that identify it as Spiral Expansion of Muscles in Motion (2, confirmed by comparison with the reconstruction, 3). This discovery proved valuable, as only four other photographic views of the sculpture were previously known (4).

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[Published April 2020]

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UPDATE

One of the photographs used in the reconstruction process has since become available in significantly higher resolution, thanks to the generous assistance of the MAC USP Archive in São Paulo. This image, part of the Zeno Birolli donation, offers improved visibility of the sculpture’s left side, particularly the head. The newly revealed details support more accurate interpretive decisions (5). Based on this, a revised 3D model is in development, with a full-scale 3D-printed version scheduled for 2022.

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[Published July 2020]

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UPDATE

A revised full-scale version of Spiral Expansion of Muscles in Motion has been 3D printed and assembled (6).

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[Published September 2022]