Ответ:
Сначала в основных данных необходимо активировать аддон Расчет деревянных конструкций.
Once you have created the glulam material and section, edit the material and select the "User-defined material" checkbox.
After that, navigate to the "Timber Design" tab and scroll down to the "Glued laminated timber" section. This is where you can adjust the lamella or the "Thickness of lamination".
