Also referred to as a moulette watermark, produced with fourdrinier paper machines, in which after sheet formation the nonwoven fibers are compressed or displaced into characters via a forming roll with images. In transmitted light, the result appears as a simple light/dark watermark. One typical application is for commercially available printing and writing paper. see also Cylinder mould watermark Also referred to as a moulette watermark, produced with fourdrinier paper machines, in which after sheet formation the nonwoven fibers are compressed or displaced into characters via a forming roll with images. In transmitted light, the result appears as a simple light/dark watermark. One typical application is for commercially available printing and writing paper. see also Cylinder mould watermark