This item is 1 tablet with two sides so you will only need 1 furni purchace
In decorate mode, place, size and tilt the one tablet. get it where and how you wunt it. "You will have to drag item up a bit"
Then go to your copy tool and copy from the one you have sized, rotate the copy (with rotate tool) 180 degree and drag into position.
while in moving tool, put curser on moving dot, press and hold "shift" then "left click" on mouse to drag up / down.
while in moving tool, put curser on moving dot, press and hold "ctrl" then "left click" on mouse to drag left / right as to your screen angle
to position where and how you wunt each tablet