Sieglin, B., Faitsch, M., Eich, T., Herrmann, A., Suttrop, W., JET Collaborators, EUROfusion MST1 Team, & ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society (2017). Progress in Extrapolating Divertor Heat Fluxes towards Large Fusion Devices. Talk presented at 16th International Conference on Plasma-Facing Materials and Components for Fusion Applications (PFMC-16). Neuss. 2017-05-16 - 2017-05-19.