In his 2008 book Outliers, Malcolm Gladwell introduced the “10,000-hour rule,” highlighting the dedication required to master a skill. This principle is embodied in the Hermès Workshops in Normandy, where 50 artisans dedicated 500,000 hours—a total of 500 years at 20 hours per week—of craftsmanship to the façade. As France’s first low-carbon positive-energy factory, the workshops combine vernacular techniques with modern technologies, redefining industrial architecture. Situated in a revitalised suburban area, the building emphasises precision and care, translating artisanal labour into architectural expression. It demonstrates the harmony between craftsmanship, sustainability, and nature, offering a blueprint for future industrial structures grounded in ecological and cultural values.