Red is wood glue
Blue is silicone caulking
Green is a screw
There are three pieces of .75" MDF, viewed from the side. One piece is under the other two, joining and holding them together. The piece on the underside would be around 2" wide.
Would this be strong or not be able to hold? Using a single piece of MDF is out of the question... Is this a good way to combind two pieces of wood to make one?