A cartridge is a decorative frame in ornamentation. Cartridges can surround crest, text or portraits. This distinguishes it from a picture frame that they are not mobile, but sculptural part of the surrounding architecture.
In particular, the architecture of the Renaissance and Baroque cartridges were popular forms, often even served as the jewelry without being filled with content.
The Dutch cartridge with roll and auricular ( bat wings, dog ears) came in the French classical music in the style of Louis XIII used. Example of Cheverny. In the French form these cartridges St- Gervais and Fontainebleau were lengthened, as in Paris.