aérosculpture’s kinetic ‘steel grass’ turns the amsterdam breeze into a shifting metallic field

Along the open stretch of Amsterdam’s Flevopark, a cluster of slender metallic forms by Aérosculpture collective rises from the ground in thin, gleaming strands, each catching light as it shifts with the air. The kinetic installation, dubbed Steel Grass, arrived here for the 2026 edition of Synergy Art Festival, where its motion reads as both subtle and constant, a surface that never settles into a fixed shape.

The work relies on helium to hold its vertical tension, allowing each element to hover between weight and lift. What looks rigid from a distance reveals itself as responsive at close range. The slightest current passes through the field and sends a ripple across its surface. Movement travels in slow waves, then breaks into smaller tremors, as if the air itself had become visible.

Steel Grass shifts with each passing breeze across Amsterdam’s Flevopark | images courtesy Aérosculpture

Designed by Jean-Pierre David with the Aérosculpture collective, Steel Grass sits between engineering experiment and environmental drawing. There is no programmed sequence. The choreography comes from the site, from passing bodies, from shifts in temperature and pressure that pass through the park. A breeze moves across the grass and continues through the sculpture, translating something invisible into a readable pattern.

In brighter light, the polished surfaces scatter reflections outward, turning each strand into a thin mirror. The field flickers as people walk alongside it. At times the forms align and the installation compresses into a dense vertical plane. Then the wind loosens its grip and the strands drift apart again, opening small gaps that reveal the space beyond.

What makes the work linger is how it handles pauses. When the air settles, the motion drains out of the structure and the forms hold their position with a surprising precision. The field tightens into a set of upright lines, each one pointing cleanly into the sky. The same material that seemed fluid a moment earlier takes on a sharper presence.

That shift between activity and suspension gives the installation its rhythm. It never asks for a single vantage point. Walking around it changes the reading from surface to depth to outline. From one angle it appears as a shimmering plane. From another it breaks into individual elements, each one tracing a slightly different path through the air.

helium tension allows the structure to hover between lift and weight

Synergy Art Festival has leaned into works that respond to environment and participation, and Steel Grass fits easily into that framework. It occupies the park without fixing it into a new order. Visitors pass through, around, and alongside it, sometimes altering its motion without realizing it. A group gathering nearby sends a faint disturbance across the field, a small reminder of how sensitive the structure remains.

The installation leaves behind a simple impression. Air has shape. Movement can be read. A field can be drawn using nothing more than tension, lift, and a surface that catches light. In a park already defined by grass and trees, Steel Grass adds a second layer, one that hovers just above the ground and shifts with every passing current.

project info:

name: Steel Grass
designer: Aérosculpture (Jean-Pierre David)
location: Flevopark, Amsterdam, Netherlands
event: Synergy Art Festival 2026
curators: Natasha Greenhalgh, Bogomir Doringer
year: 2026