Once you have chosen to Add Cabinet/Panel in your existing room.

Std Cabinet Shelving is found in Cut To Size -> Shelving.

Enter the Height, Width and Depth that the needs to be. Height being the thickness of the material.

1. Change quantity (Qty) if there are multiple shelves to order.
2. If you wish to change the material to coloured board or glass, follow this article.
3. Close dialog box to complete entry.

Once you have completed this item and entered any other items that may require ordering, to the room, then follow the process to order a room.