Luna I Spiral Illusion Flow Acrylic 3D Wall ArtDescription The Luna I Spiral Illusion Flow Acrylic 3D Wall Art is a contemporary two panel wall piece built around a striking optical illusion vertical white acrylic fins project from a black framed panel surface, and as the viewer moves past, a hidden spiral vortex reveals itself on the square panel through the shifting gaps between fins. The piece presents as two coordinated black framed panels in crisp white, designed to read as a matched set.