The Blue Knight wrote:I like this approach. What did you mean by "6x6 plate without corners?" Did you cut them off? Looks like you used 2 6x4 plates with angled sides (I don't know of the "official" name), the kind that originated from space years and years ago. Then you cross laid them everyother floor, right? An ingenious design. I've steered clear of octagonal towers, but I may try one now, thanks for the details, hope you feel better soon.