Croma 3D is a suspended acoustic object made of recycled PET.‎Sound-absorbing object in interlocking SOTTOFONDO RIGIDO for simple and intuitive installation.‎ Regular icosahedron (20-faced solid) for a dynamic visual effect.‎Made from recycled PET, it contributes to acoustic improvement by reducing noise propagation.‎The Sottofondo Rigido line is a sustainable and effective solution for improving acoustic comfort in indoor spaces.‎ Made from 9 mm eco-friendly pressed felt, these panels combine high-level sound-absorbing performance with elegant design and reduced environmental impact.‎