Problem Based Learning Principles for projects with “soft” evaluation. 1 M. S. Stachowicz, 2L. B. Kofoed Laboratory for Intelligent Systems, Department of Electrical and Computer Engineering, University of Minnesota, USA, The Warsaw School of Computer Science, Warsaw, Poland mstachow@d.umn.edu1 Department of Architecture, Design & Media Technology, Aalborg University, Denmark, lk@create.aau.dk2IntroductionInspired by a design workshop course offered at the Electrical and Computer Engineering Department(ECE) at the University of Minnesota Duluth (UMD) [1] we could see