It’s been described as a living sculpture and a testament to avant-garde living. But the Visiona room concepts designed by Verner Panton look like a neon fever dream, a psychedelic riot of colors and shapes that wouldn’t seem out of place in a Kubrick film. A full-scale reproduction, open to the public through June 1 at the Vitra Design Museum in Weil am Rhein, Germany, offers a rare chance to experience the interior designer’s complete vision.