The winners of the Additive World Design for Additive Manufacturing Challenge 2020 have been announced.

The student category first prize went to Younes Chahid from UK-based BiometicAM, for a hip implant stem design which can improve patients’ lives by shortening operation times as well as recovery times. The design of the structure has varying lattice densities and thicknesses for improved bone ingrowth. The part can only be produced using metal additive manufacturing (AM) and is designed to print without supports and can be nested to maximise the total number of parts per build.

The winner of the professional category is K3D, based in The Netherlands, winning the contest for the second year in a row, for a laser welding head which reportedly has improved performance, functional integration, conformal cooling channels, light-weighting and local porosities. The design could not be produced in any other way than AM can be printed without any supports.

Nina Uppenkamp, from the SMS Group in Germany, received an honorable mention for a redesigned media block that has been improved for metal AM.

This story uses material from Additive Industries, with editorial changes made by Materials Today. The views expressed in this article do not necessarily represent those of Elsevier.