The NoBlocks mod for 1.7.2 removes the block shape of grass and stone blocks and adds distortion to them to make them look more natural. It only distorts natural blocks so it doesn’t effect buildings.
Download ForceField Mod for 1.7.2:
NoCubes Mod for 1.7.2
Forge for 1.7.2
Locate your Minecraft.jar file.
Open Minecraft.jar using Winrar and delete the META-INF folder
If you haven’t already installed Forge, drag the files from the forge zip file into Minecraft.jar.
Run Minecraft once
Drag the NoCubes Mod .zip file into the .minecraft/mods folder.