Hi, I have the same problem but with a mandatory design (I can't continue the chapters without it) and I have tried a range of different reds and blacks - this is for the first main order - and it seems as though the pattern isn't in the right position :/
Important clients should always be passable, here is a walkthrough for Neil's route on getting the designs right:Important to note that the design for the masquerade (chapter 12) is different in this video than the one you're currently playing (you're playing the old version). I believe in the old version, the sparkles pattern also had to be applied to the top.
I'm actually playing Dimitri's route, sorry for the inconvenience, I still don't understand why it will not work. I need to make capri-length bottoms (red) wit a gingham pattern (black)