STRUCTECH 3D MODELLING (Pty) Ltd is an Engineering Drawing Office practice, operating from Overport, Durban, South Africa, offering a structural steel detailing and design service to the Steel Fabrication and Construction industry, and to Consulting Engineers and Architectural practices. The company was originally founded by Dan Pillay, and has a collective total of more than 60 years experience of its partners in the Structural Steel Detailing industry.