In the third meeting with the material inhibitors obtained an average value of 93.1 with a distribution that scored 100 as many as 18 students (69.2%), 80 as many as 7 students (26.9%), and 60 as many as 1 students (3.8%). At the second meeting with cathodic protection material, an average score of 66.7 was obtained with a distribution that received 100 marks by 3 students (11.1%), 80 by 11 students (40.7%), 60 by 8 students (29, 6%), 40 were 2 students (7.45%) and 20 were 3 students (11.1%). Descriptive analysis results from the outcomes of the first meeting with the material of crevice corrosion obtained an average value of 72.8 with a distribution of 100 scores of 8 students (32%), 80 of 6 students (24%), 60 of 6 students (24 %), 40 by 16%, and 20 by 4%. Data analysis uses quantitative descriptive analysis. The instruments used were questionnaires and tests/quizzes.

Data collection techniques using questionnaires and tests. The subjects of this study were students of the Department of Mechanical Engineering. The results of this development were then trialed in the classroom. This research method used is developmental research by developing teaching materials, 3D blender animation media, and self-assessment. The purpose of this study was to create learning media using a 3D blender animation media and a self-assessment platform as well as knowing student learning outcomes. In the midst of an increasingly widespread coronavirus (COVID-19), online lectures are a solution to keep running teaching and learning activities instead of class meetings.

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