Set left and right filler widths for box-type drawer construction
Set an editable Left Filler Width and Right Filler Width alongside the filler gap in the drawer-system construction area, and these fillers and widths apply to box-type drawer construction as well.
In the drawer-system construction area, the left and right filler options each expose an editable filler width (Left Filler Width / Right Filler Width) alongside the filler gap.
The fillers and their widths apply to box-type drawer construction as well.