But let me explain more clearly, I think I made an incomplete explanation. This curvilinear panel continues on 3 floors and surrounds the staircase, suitable for the staircase level (3 per floor and at different levels) for stair lighting and architectural visuality. window space should be left, I think it will be correct if your method is done in the basement and in the basement curtain logic, if I think it is against the logic of the program, please warn me, but how correct would it be if I can solve 3 floors with 25x78 curtains?