Trying out a new fortifications idea using foundations as extra thick walls with window walls as the battlement:
Takes up more space and it would be quite time consuming replacing all the walls I've already built but it will make it much neater and faster than what I've currently got. I wish there was a solid half height metal or cement wall I could use as battlements, the walls don't look quite right. but maybe I'm being fussy.
Greenhouse interior: