Promoting technical and methodological competencies in medical-oriented engineering degree courses by building...

This work presents a structured cross-course teaching concept designed for biomedical engineering students, focusing on acquiring technical skills through the construction and application of 3D-printed robotic and holographic microscopes, spanning over different lectures. The project is embedded within the lectures of Medical Engineering, Medical Imaging and Anatomy and Physiology, aiming to bridge theoretical knowledge and hands-on applications. The concept includes theoretical lectures, interactive seminars, and practical laboratory sessions as well as self-study phases and project implementation phases. Students are guided through the technical implementation such as 3D printing, wiring, programming and assembly as well as the use of the microscopes. Key learning objectives include physics, mastering manufacturing processes, and applying open-source resources and finally using their own built microscope within the practical part of a medical lecture. Besides that, the project-based approach should foster methodological competence and problem-solving skills as well as social competences and teamwork. The first run shows increased student engagement and improved exam performance among participants, while qualitative feedback highlights the project's motivational impact. Although designed for biomedical engineering students, the concept offers transferable elements for a wide range of usage within medical education. Besides the didactic aspects the use of DIY approaches based on open-source and 3D printing offer cost-effective, sustainable alternatives to cost-intensive, traditional lab equipment.