German designer Thomas Mayer underwent the carpenter's apprenticeship we discussed here, but afterwards he pursued a degree in Interaction Design. The result is that he can not only build furniture, but can imbue it with technology-based UX enhancements. As an example, check out his Interactive Table Tennis Trainer:
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That was shot in a darkened room to emphasize the projections. But even under regular lighting, it holds up:
Mayer produced the table as the thesis project for his Bachelor's Degree in Interaction Design from the Hochschule für Gestaltung Schwäbisch Gmünd. You can read technical details of the project here.