Nellie Snellen 3D embossing folder Background Flowers 1. This embossing folder has a geometric, stylised flower pattern, that repeats across the whole folder. This would make a superb background for hand made cards for all types of occasions. The 3D nature of the folder means that the raised areas of the design are at different levelsto create the 3D effect. This is the ideal way to add texture to your designs. Size 10.5cm x 14.8cm.