[1] Univ New South Wales, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia
[2] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW 2522, Australia
[3] Univ Sydney, Sch Dent, Prosthodont & Oral Rehabil, Sydney, NSW 2010, Australia
[4] SDI Ltd, Bayswater, Vic 3153, Australia
[5] Univ New South Wales, ARC Ctr Automated Manufacture Adv Composites, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia