To download all objects using wget:

wget -r -H -N --cut-dirs=5 --include-directories="/v1/" "https://swiftbrowser.dkrz.de/public/dkrz_8656c91ce0734327b6dc867fc5b6b068/ESiWACE2-Public/Paraview%20Sample%20Data/PalMod_example?show_all"