VENLO, the Netherlands--(BUSINESS WIRE)--Cimpress N.V. (Nasdaq: CMPR), the world leader in mass customization, announced today it has entered into a definitive agreement to acquire druck.at Druck- und Handelsgesellschaft mbH (druck.at), one of the leading web-to-print businesses in Austria. The acquisition supports Cimpress’ strategy of building a software-enabled operational platform that aggregates and optimizes the supply chain and production of mass customized products such as signage, prin