What is the fine-grained topic of the following text: This impressive machine – which is capable of printing a full-sized adult man using titanium powder – was developed in South Africa as part of Project Aeroswift, a collaboration between Aerosud Innovation Centre, a South African aeronautical engineering and manufacturing company, and the Council for Scientific and Industrial Research (CSIR) – funded by the Department of Science and Technology (DST). Only return the topic.
Development of a titanium 3D printer in South Africa by Project Aeroswift.