MCMultiPart Mod 1.12.2/1.11.2/1.10.2 has recently made the multipart API become friendlier so you and everybody in MC can use it smoothly. Besides, it is very strong.
MCMultiPart
It is one of the creations that will turn activities of you in Minecraft world easier.

Especially, you are playing a product that is known as a community effort. The main functionality is special. So, it has quickly been a universal modification.
So, we are talking about a cool change that will ease a multipart API. Aside from being easier, it’s currently extremely powerful.
MCMultiPart is a helpful mod for everybody who loves to play Minecraft the game. Thanks to all of the people that have contributed, you are presently able to solve many issues. In fact, they shared both code and their ideas. Why don’t you involve in that place to build more? Remember to download and install Minecraft Forge before you experience it!
How to install MCMultiPart Mod:
Assure that you have already installed Minecraft Forge
Define the location of the Minecraft application folder.
On the windows, open Run from the Start Menu, write %appdata% and click to Run
Open Mac on the finder, press and hold Alt and click to Library on the peak of the Menu Bar. Open the Application Support directory and look for Minecraft.
Put MCMultiPart Mod you have already downloaded (.jar) into Mods directory.
When you start using Minecraft, open the mod button, you will realize that MCMultiPart Mod has been set up.
Screenshots