Summary
Model Engine is a plugin that allows server owners to add unique mobs to a vanilla Minecraft server. Once a server has Model Engine installed, adding models is quite simple. Once a model is purchased through MC Models, it can easily be installed by following this tutorial!
How to Add Model Engine Models to a Minecraft Server
1. Download the Model Engine item. Sleepy - The Otter will be used for this example.
2. Extract the downloaded file.
3. Log in to the BisectHosting Premium or Budget panel.
4. Stop the server.
5. Go to the File Manager tab.
6. Find the following directory: /plugins/ModelEngine/blueprints
7. Choose the green Upload button.
8. Upload any .bbmodel files in the local blueprints folder from Step 2 into the blueprints folder on the server.
9. Start the server. 
