About copies component attribute

can somebody help me with my model?
blindsss 1.skp (20.0 KB)
i tried to copy this
oly ■■■■.skp (85.9 KB)

i tried to write the familar formular as that one but failed
i struggle to copies the component attribute (the component named slattt)
i can’t seem to understand it very well, if someone know, please fix my model and explain how to, i really appreciate it !

blindsss 1.1.skp (20.0 KB)
I looked at slatt in entity info, and it was not a solid component because it had no thickness. I made it .0020 thick, and it became solid. I don’t understand what you are trying to do, but maybe you can do it as a solid component.