Four-way arch towers, they’re killing me.
So, I have this tower:
Two arches run through it, but I encounter a problem: the square area created in the center. I’d like to cut at the marked areas, removing the square but maintaining the center’s qualities of being a combination of the two arches. I’d really like to do this sans carver tool. In the case it can’t be done reasonably, is there a way to initially build this structure where this kind of problem wouldn’t occur, yet I could get the look I’m going for?