... on a flat surface efficiently,divide, focus, and diffuse light rays. This type of lens sheet is usedfor projection screens and ... , lenticular packaging, 3D printing, 3D packing, 3D packaging, 3D box, 3D sticker, lenticular sticker, 3D label, lenticular label, 3D picture, 3D photo, 3D greeting card, 3D lenticular poster, 3D lenticular painting ...