pastillage
/ˈpastɪlɪdʒ/noun
1 Archaeol. A form of decoration in which additional pieces of the modelling material are cemented or glued to a figure as decoration.
2 Ceramics. A technique of decorating pottery by dribbling slip from a thin tube or a spouted vessel; decoration applied by this technique. Now rare.
3A type of icing made from sugar and gelatin, often sculpted into intricate decorations.
Origin
Late 19th century; earliest use found in Science. From French pastillage small figure made of sugar, technique of decorating pottery using a thin tube, piece of confectionery made of icing and imitating an object, form of decoration in which pieces of material are glued to a figure from pastille + -age.