I want to make this, with a plain center, and 4 lights and 4 darks, how do I know how many yards (or meters, in my case, but I can do the conversions) I need of each colour? This is boggling my mind!
http://www.nmia.com/~mgdesign/qor/styles/logcabin/log1e.gif
I would make it maybe 6 blocks by 8 blocks, 12" each.