If I was going to recreate the plaid, I'd go with sewing. Paint can be difficult to control [Depending on the line thickness], and doesn't have the same look or feel as something sewn on.
Next con: Nekocon
What I am working on:
(New) Utena Tenjou - Revolutionary Girl Utena
(Fixing) Sakya Izayoi - Touhou Project
(New) Raven Queen (The Evil Queen, SDCC exclusive) - Ever After High
(New) Maki Nishikino (Valentine's Day 2014/2015) - Love Live!