Ever wondered why Minecraft never included any kind of lattice blocks to walk on? So have I! This simple mod has got you covered.
The lattice blocks are basic crossed segments of wood which are capable of interconnecting vertically with fence posts, as well as other configurable blocks, to achieve a wide variety of visual effects. They come in both the standard wood and nether brick forms.
The Minecraft 1.8+ versions can do all of the variations of wood as well:
The recipes are basically the standard fence recipes turned on their side:
For Minecraft 1.7.10:
Or for Minecraft 1.8+:
For Nether Brick Lattice, it's the same for both:
The config file allows modification of which specific blocks the lattice will connect with vertically, with the default including things like fences, torches, skulls, pressure plates, etc. From here you can also disable the default functionality of lattices interconnecting with one another, as well as enable them to automatically connect with any solid block above or below.