Manufacturers of additive manufacturing machines, teachers from elementary schools, junior/senior/vocational high schools with manufacturing labs or technology education centers deployed in Central Taiwan, and their co-workers are invited to participate in this research. In the initial stage of this research, experts discussed and formulated the skills and concepts related to additive manufacturing and developed competency indicators. The content of these indicators was then confirmed through expert meetings. A digital manufacturing curriculum was then developed based on these competency indicators, along with the necessary evaluation scales. These scales included a learning achievement scale, a learning attitude scale, and a teaching material evaluation scale. Finally, the effectiveness of the teaching methods and materials was assessed, and the fuzzy Delphi technique and fuzzy analytic hierarchy process were used to design applicable teaching methods for schools and industry. The effectiveness was verified though teaching experiments.