For Expedit we needed more components. At first you need this here:
And we needed a wooden plank that was in the color of the Expedit. This plank should be around 35.5 cm x 35.5 cm.
And depending on floor you may need some furniture gliders (e.g. I don’t need this because I have a carpet floor). I found all these components at Ikea.
You build Expedit like in the manual with one exception. You apply the wall mount reversed and add the two extra wall mounts in the same way. In my picture I already added the visual cover of the wall mounts:
Like I said you need a plank with the measures of 35.5 cm x 35.5 cm. Like you can see on my picture I have to saw down the plank: