If you're looking for some budget-friendly shelving, this DIY solution will definitely look more elegant in your living space than some shop shelves from the hardware store. Unlike a similar design we highlighted a few weeks ago, the Hungarian Shelves, this particular mortise style shelving unit requires less wedging but a finer use of a saw blade—assuming, of course, you want the really cool wave in your vertical braces. The entire project requires nothing more than a boards, long nails for screwing the braces into the studs, a drill, and a jigsaw. Paint or varnish is optional, depending on the cut and quality of wood you use a simple clear coat might suffice.
The entire affair is held against the wall with only three screws, the bottom of the braces rest on the floor to distribute the load, and the screws are hidden within the mortise joints. In regard to the stability and strength, the author of the Instructable SimonF notes that since he wrote the tutorial and took the photo you see here he has loaded even more stuff on the shelves without any issues.