
mirrored steel bubbles shape suspended kinetic sculpture by vincent leroy in normandy
reflections of the city and sky animate the spheres’ surfaces in constant motion.
Vincent Leroy imagines a moving cloud in the Normandy sky
Installed above the Caen peninsula in Normandy, Molecular Cloud is a suspended kinetic sculpture composed of mirrored stainless-steel spheres arranged in a cloud-like formation. Designed by French artist Vincent Leroy for the Millennium of the city of Caen, the project introduces a reflective structure that interacts directly with its urban and atmospheric surroundings.
Positioned between the city’s new peninsula district and the historic Abbaye aux Dames, the installation establishes a visual link between the area’s historical and contemporary layers. The spheres form a constellation-like cluster that reflects the city, sky, and movement of passers-by, generating continuously shifting visual conditions. As viewers move beneath the suspended elements, the mirrored surfaces multiply and distort their surroundings, producing a perceptual field that changes with angle, distance, and light.

light reflects upon the kinetic installation’s mirrored form
Artist Vincent Leroy’s work relies entirely on natural illumination. Without integrated lighting, the installation responds to variations in weather, sunlight, and time of day, creating different tones and reflections throughout the day and across seasons. This dependence on ambient conditions positions the piece as a dynamic component of the local environment, rather than a fixed visual object. Visible from a distance, Molecular Cloud functions as a new marker along Caen’s waterfront while also operating as a pedestrian-scale intervention. The structure defines a space for gathering and observation, offering an accessible encounter with reflective geometry and spatial distortion.
The project continues Leroy’s investigation into movement, perception, and the interplay between form and environment. Here, the mirrored spheres serve as a device for reframing familiar urban and natural elements through repetition, reflection, and spatial suspension.











project info:
name: Molecular Cloud
designer: Vincent Leroy | @vincent_leroy_studio
commissioner: Ville de Caen / Le Millénaire de Caen
manufacturer: Blam / Nantes
engineering monitoring: Ingé-Infra / Hérouville-Saint-Clair
dimensions: 11,50m x 8m x 8m
materials: Stainless Steel
location: Caen, Normandy, France
designboom has received this project from our DIY submissions feature, where we welcome our readers to submit their own work for publication. see more project submissions from our readers here.
shop
your own online design shop — no sales commission collected

































