kf6-kitemmodels from home:alveus:KDE:Frameworks project
Sty agraw n unessmres nnek/m
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:alveus:KDE:Frameworks/openSUSE_Tumbleweed/home:alveus:KDE:Frameworks.repo zypper refresh zypper install kf6-kitemmodels