The shelf in the first picture is made of red oak plywood. You can choose the wood type, color and design as you like for your project. In case if you need more help understanding this project, you can refer the source link below. It discusses various items used, steps and tips and personal experience of the author who personally built a Zigzag shelf.
Short scraps of hardwood are too good to throw away but hard to store neatly. So I bought a 4-ft. tube form made for concrete footings, cut it in half (the cardboard-like material cuts easily) and set the tubes on end. I tack the tubes to a wall or a bench leg so they don’t fall over. With the wood scraps stored upright, it’s easy to find a piece just the right length. Tube forms are available in various diameters for $5 and up at home centers. — Bill Wells. Here’s another brilliant use for these concrete forms.
By video tutorial, you will get step by step process instructions of making a nice wooden folding sling chair from scratch. However, my first wooden chair was not the best one, but it was good enough to motivate me to make some more folding chairs like this one. If I can make this, you too can make one yourself. You can browse the internet for more folding sling chairs ideas and start making one now.
Always nice to see project ideas. Yet, to make a living while woodworking all projects need to be scaled up so that one can actually earn enough to survive and compete against the flood of Chinese imports and others. Substitute products made from plastic, metal or wood are a common place and normally cheaper due to mass production and human rights violations. Politicians don’t care about the disappearance of many of America’s Cottage Industries and most consumers don’t care as well.