k I've have no clue to make a block that will have difrent sides (like pillars and logs). I've already figure out how to make a all sided block(like stone). does anyone know how to do a pillar for  forge1.8. i woud really aperiat the help thanks.

The model for grass_normal allows you to implement a block with a different texture on each side, but I am unsure of what particle and overlay do.

 

 

{
    "parent": "block/grass",
    "textures": {
        "particle": "blocks/dirt",
        "bottom": "blocks/dirt",
        "top": "blocks/grass_top",
        "side": "blocks/grass_side",
        "overlay": "blocks/grass_side_overlay"
    }
}

Hi

 

You might find this link useful, it talks about the block model system in quite a bit of detail; see the four topics under "Blocks"

http://greyminecraftcoder.blogspot.com.au/p/list-of-topics.html

 

There is also an example project that you can download and compile to see how it works.  Example 1 does exactly what you need.

https://github.com/TheGreyGhost/MinecraftByExample

 

-TGG