Industry 4.0 is a suite of digitally enabled technologies that combine embedded sensors,

new kinds of materials, models as digital twins, and cutting edge computing tochange the way that companies think about their product and facilities and eventheir customers. The idea of adopting these advanced manufacturing technologiescan be daunting to small companies that have had success with traditional processes.Pavan Muzumdar, chief operating officer at Automation Alley, a nonprofitIndustry 4.0 knowledge center based in Troy, Mich., discusses how 3D printingand other Industry 4.0 technologies are transforming small manufacturers.