As a result of the 2014 LGM the Metapolator project got really going and I got involved, designing all its interaction. This talk shows how the interaction design was structured, the collaboration, research involving font designers, and what goes into designing for creatives.
Usability expert, GIMP developer, The Netherlands Peter Sikking is very well known in Libre Graphics circles for his work on GIMP and his presentations at previous LGMs. An interaction designer for more than 20 years, he is specialised in designing interaction for creative pros. http://blog.mmiworks.net