Intermediate boards are available in various dimensions.
The width always matches your furniture. However, you have the freedom to play with the depth to create a recessed effect or align it with the front of the furniture.
As for the height, you can divide your compartment at mid-height or three-quarters height, depending on your storage needs.
Dimensions:
Heights: 12.5 / 17.5 / 22.5 cm
Widths: 25 / 32 / 42 / 52 / 62 / 80 / 90 / 100 / 110 / 120 cm
Depths: 25 / 32 / 42 / 52 cm