The Franco-Prussian War of 1870 gave Arnoux the opportunity to recruit the modeller Marc-Louis Solon who had developed the technique of pâte-sur-pâte at Sèvres and brought it with him to Minton. In this process the design is built up in relief with layers of liquid slip, with each layer being allowed to dry before the next is applied. There was great demand for Solon's plaques and vases, featuring maidens and cherubs, and Minton assigned him apprentices to help the firm become the unrivaled leader in this field.