1. Laser Enabled Manufacturing, National Laser Centre, CSIR, Pretoria, South Africa.
2. Department of Mechanical and Mechatronic Engineering, Central University of Technology, Free State, Bloemfontein, South Africa.
3. Research Group 3D Innovation, Stellenbosch University, Stellenbosch, South Africa.
4. Department of Mechanical Engineering, Nelson Mandela University, Port Elizabeth, South Africa.