Hi! I haven't asked for help on here in a while, and I guess I'd like to think I've gotten better at googling things, but what I can't find enough information on is puffer vests. I want to cosplay Mokuba Kaiba from the Battle City arc of Yu-gi-oh!
Instead of taking forever to find a vest like it in thrift stores or otherwise, I'd rather sew it myself. But what I'm not sure of is what fabric to use and how to achieve the puffer effect. I think I might sew sections and stuff? But I don't know if that's the best way to go about it and I'm also not exactly sure what fabric to use.
Also the pattern I'm planning on using and probably altering is this: