Creating the dress pattern was a bit of a process, so bear with me while I go through everything. Doing a mockup before cutting into the actual fabric was a must because I made the pattern and the materials are pricey. I didn’t want to make a mistake on the costly stuff and instead let myself mess up on cheap fabric. No matter what kind of sewing you do, and even if you buy a pattern, you should ALWAYS do a mockup. I’m guilty of not taking my own advice in the past, and trust me, it didn’t always pay off. Plan a trial run in your cosplay timelines.
Now, enough advice. Here’s how I made the pattern for my Cersei cosplay: