Schattenrequisit: Column Kinetic Thread Installation by Yotaro Sakamoto
Japanese artist Yotaro Sakamoto creates Schattenrequisit: Column, a kinetic installation using fine threads and millimeter-wave sensors to transform human presence into shifting shadow projections.

Stock photo for illustration only, not from the actual event
- Schattenrequisit: Column is created by Japanese artist, engineer, and researcher Yotaro Sakamoto.
- The installation uses millimeter-wave sensors to detect visitor proximity and a computational stepper motor.
- Its cylindrical column structure is formed from fine threads that rotate to shift geometric shadow patterns.
- The design draws conceptual inspiration from the light-filtering qualities of traditional Japanese sudare screens.
A new kinetic spatial installation titled Schattenrequisit: Column, created by Japanese artist, engineer, and researcher Yotaro Sakamoto, bridges the gap between architectural form, modern technology, and sculptural art. The project explores the intricate relationship between architectural permanence, human presence, and shifting shadow projections within a shared space.
Conceptually, the artwork draws inspiration from the light-filtering characteristics of sudare, which are traditional Japanese slatted screens. By treating physical materials and immaterial shadows as unified components, the installation merges solid form with dynamic projection.

Stock photo for illustration only, not from the actual event
Structurally, Schattenrequisit: Column takes the form of an architectural column constructed from closely spaced fine threads. The artwork is integrated with millimeter-wave sensors designed to detect the proximity of visitors, which in turn triggers a stepper motor developed through computational design and physical prototyping.
As movement occurs within the space, the motor slowly rotates and shifts the thread assembly, altering the overlap of linear strands. This mechanical response continuously transforms the silhouette shadows cast across the surrounding walls and floors.
By integrating modern sensor technology and computational motion into a traditional architectural archetype, the artwork serves as a physical metaphor. It mirrors the continuous interaction between fixed urban infrastructure and transient human circulation.
This kinetic spatial installation was shared with the public through designboom's reader submission platform, with further updates available via the artist's Instagram account @youtarosakamoto.
Source: designboom
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