I install the face frames on the upper hutches to mark for the biscuits. To do so, I use a block of wood to align the lower ends.
I’m using bar clamps to temporarily set the face frames and get a small T-square and a pencil.
At each 8-10 inches I trace an adjacent line on the side of the face frames and on the uprights. Those lines must be properly aligned.
Here is the tool and the method I use. Here the spring clamp holds the tool while I shoot the photo.
I use the base of the tool as reference, not the fence, reason why I’m adjusting the fence according to the base and the upright with this small ruler. Here precision is required.
To make the cuts I align the center mark of the tool with the lines I made on the uprights, and this for each of the biscuit slots to be cut.
The slots on the uprights are all done. As you can see, I will use biscuits only to attach the face frames to the uprights, not to the top and lower shelves.
To see the details of all the steps from the begining, click here.