Landesmuseum Zürich
In 2016 Seiler created "a neon sign in the shape of bones", and, according to Urs Bühler, a neon installation entitled "Space Knot" proceeding along 300 linear meters beneath the Swiss National Museum ceiling, "like a ghost presiding over the museum, curved shapes giving an impression of Harald Naegeli spray cans transubstantiated into colorful illumination."