Instructions
Use Minecraft Structure Planner to design a blueprint for your mega object.
Install the TooManyItems modification to your version of "Minecraft."
Run the "Minecraft" program.
Press "e" to bring up your crafting window. This also opens the TooManyItems interface. Drag and drop items from this interface into your inventory.
Lay down blocks to complete your mega object according to the blueprints from Minecraft Structure Planner.
Repeat Steps 4 and 5 until you finish building the project.