Block Plane, Dovetails Saw, Marking Gauge, Awl, Combination Square, pencil, ¼ drill bit and 5/64ths drill bit, masking tape, cordless drill, Drill Press, glue and patience

Trust your eyes, don’t worry about measuring. Set your marking gauge to half the thickness of your cabinet sides

Remember when you wrote Inside on the Jig. If you see that when your pieces are clamped as they are in this picture then you have placed the jig on wrong. If it helps write the word Out on the Jig so you know if its on right.