If I understand correctly, the VTK build failure was fixed in 251b0f7a6fa550ef4e0975668d7ab8c4c7b214d3
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=251b0f7a6fa550ef4e0975668d7ab8c4c7b214d3 In any case, I get a substitute for FreeCAD now.
If I understand correctly, the VTK build failure was fixed in 251b0f7a6fa550ef4e0975668d7ab8c4c7b214d3
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=251b0f7a6fa550ef4e0975668d7ab8c4c7b214d3 In any case, I get a substitute for FreeCAD now.