Building Bricks Mod 1.8.9/1.8
Building Bricks mod adds all the missing block types of vanilla materials, for instance a smooth stone stair, smooth stone slab, and many more. It also adds new block types like the vertical slab, the step and the corner. Finally, it adds items to make building more easy and less tedious.
Download link: Building Bricks Mod 1.8.9/1.8