I am sorry for bothering you. The problem gust got to me. I was trying to fix the file “Fine Mullions 068" by removing the mesh faces around the letters and making correct faces.
E-mailed for help.
And just backed up and made a new mesh resulting in file “Fine Mullions 056". The left object.
I am using Rhino 5
Zipped: Fine Mullions 068
Zipped: Fine Mullions 056