FabioLolix [1] filed a deletion request for ginkgo-cadx [2]: Github repository has been archieved. Even the last release require an old version (7.x) of VTK, wasn't able to build VTK 7 with python3 instead of python2.
[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/ginkgo-cadx/
