Neoclassic arch on sourceforts!!!
well it's not such a big deal but I was wondering for a while if a perfect arch was possible on sf and here is my solution...
screenshot2
screenshot3
this one here is not exactly perfect but you get the idea.
well comments, discussion, etc..
ps. those 1x5 and the 1x2 are left overs from the construction, I left them there cause it would look too poor without them.