THE SLIMLINE HANGING SYSTEM ART-247 Slimline Art Hanging System is the most streamlined and efficient system in the picture hanging services industry. Push-button hooks are easy to install and use. ART 247 Slimline Art Hanging System is a streamlined and efficient system. Artwork by Stephen Baxter, Voronoi Diagram, “Diamond Life” 90 x 90cm framed 100 x 100cm, Archival inks on rag paper $650.00, limited edition. Push-button adjustable hooks are affordable easy to install and use Slimline Hanging System Specialist Art Hanging Services Gold Coast.