Crafting Recipes - MrCrayfish's Furniture Mod Wiki
I use thus all the time for minecraft circles
Minecraft is a building gaming software, where you can build anything. Modular shapes are used to create this house structure. You can even see that environment around the house has been built and designed using modular shapes.
Minecraft Castle Blueprint - Pretty simple, but could work from this to make it more complex
Minecraft Item Codes- my kid is gonna LOVE me for pinning this!