Industrial context
Stereolithography by photopolymerization

According to Moutot , recent difficulties for (traditional) machine manufacturers are linked to unforeseen market conditions, due to a global environment of lower production and overcapacity. The market has not proved as promising as expected, with growth rapidly slowing due to an increase in the number of printers from new players, made possible by the expiry of many additive manufacturing patents. Emerging competitors are offering better prices, building on the experience of the pioneers. According to Sher