3form Elements | 3form Elements is excited to launch the latest addition to their Hush Blocks Collection: sound-absorbing, wall-mounted felt blocks in 24 new shapes and six standard configurations called design starters. The latest Hush Blocks allow designers to specify from six design starters or arrange custom patterns. Now available in thicker depths up to 8 inches, the new Hush Blocks have a higher acoustic rating of 0.80 to 1.25—the highest rating of any 3form Elements product.