L'Instant Durable is a French publisher based in Clermond-Ferrand. It was started in 1983 by Alain de Bussac to develop and sell paper models of major historical buildings in France, and now has some 50 available, as well as a range of postcard-sized mini-models, and books on architectural subjects. Most of the models date from the 1980s and 1990s, and no new ones have come out since 2005.