In this video you will see how to generate a complete Minecraft World inside Blender with a free addon that allow you with just a few clicks to generate plants, animals and changing also height, size and seed of your 3D world.
You just need to set a few parameters to have a complete access to Minecraft world that is procedural, so you don’t need to modelling it and you can change instantly as you prefer.
Here you can see some renders done with the Minecraft AddOn for Blender
If you want to test Minecraft World Generator you can find the minecraft addon for free on Blender Market: