Merci, Emmanuel. J'apprécie vraiment beaucoup votre aide.

Thank you, Emmanuel. I really appreciate your help.

I am kind of new with Sweet Home 3D, but this forum has been a HUGE help so far. From the bottom of my heart, I thank all of you for sharing.
I am trying to design something and I need a single glass block object.
I very much like this object: http://www.sweethome3d.com/models/contributions ...