The rear wall followed the same method of assembly as the others, except having rectangular windows instead of the more difficult arched ones. Again I needed to reinforce the center where the wall halves joined together. After more clamps and more waiting the final interior wall was built. I added the same edges to the window openings as I had done with the arched windows. Phew! The wall construction took a lot of time and patience but it paid off once they were all made. Now they were ready for all the fancy detail, which I was both excited about and nervous at the same time. Would I be able to make all the little custom woodwork and architectural details? Time would tell.