Thread:Farm River/@comment-36965782-20181219160013/@comment-27094037-20190110003430

Those are actually pretty easy to make if you have the NHC map, the NHC icons (which are found in this wiki) and some graphic skills.

I use an app as simple as paint.net to assemble it. Usually takes 10 minutes if you have the icons and map. My first assemble may take longer though.