Structurel optimisations after Claus Mattheck become more and more important in design processes. I remember the start. First application of the SOFT-KILL-OPTION-METHOD (SKO) in design teaching. Thanks to Wolfgang Sachs (sachs-engineering):

to see next steps in topology optimisation : https://www.uni-weimar.de/projekte/nichts-leichter-als-das/en/