15. Central knot - A place to set the width of central knot
16. Custom elements - A place to set the custom elements for that typ of sash
17. Use added post - This option is used to add an additional post between the sashes to the sash configuration, which is opened together with the sash
18. Central knot section - Section of central knot for sash with handle and receiving sash. Value from glass light to the glass light
19. Central knot section between non opening sashes - Section of central knot for opening sash and non opening sash. Value from glass light to the glass light
20. Default thickness - This is the place where user defined default thickness of configuration
This is the place in the program where the user defines the central knot value
ERP - Configurations
Sash configuration - Definition of Elements - Open with handle - Central knot