Bracketless shelves
At Your Size, Not Mine . (NO MDF)
As you can see on the above and below picture with these bracket less shelves, my shelves hold the weight. 25 lbs above and 40 below, once i get more weight ill put more onto it.
Above 10"x 10"x 2 1/2"
(below) 11 3/4"x 11 3/4"x2" (no MDF )
(below) 10x36x2-1/2 I did put 10 lbs on the end to make sure it held good.
(below) Cubicle Bracket less shelf.
(Below) 2"x14"x10" bracketless shelf with 1"x10"x20" bracketless shelves in the back ground

(below) two 1"x8"x24" and one 1"x8"x52" walnut shelves


(below) 2"x18"x18" bracketless shelf


(below) 1 1/8"x24"X24" corner shelves
(below) Oak no finish bracket less shelf custom sizes (up 3.5 inch thick)
Oak bracket less shelf with a Pickled Oak stain (below)
(above) 2"x12"x72" white primer
bracket less wine bottle shelf (below)