Et voila
Watch it grow! I didn't have enough resources to complete it though, but you get the gist.
Some planning
Some planning done, note how my resources haven't depleted.
Commit, adding resources
Right click sign twice to commit, then add resources to supply chest..
Resource Count
Right clicking on the sign will give you a rundown of resources needed.
Area Active
An active area, with supply chest and unbreakable grid floor
Setup
Find a nice area, fence it in.
Setup pt2
At the entrance, place a sign with [Plan]