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: Katsucon
What I'm working on:
(New) Marika Kato - Bodacious Space Pirates
(New) Maki Nishikino (Valentine's Day 2014/2015) - Love Live!
(New) Yuuri Wakasa - School-Live!
(Fixing) Ashley - Until Dawn
(Fixing) Bubble Head Nurse
(New) Raven Queen (SDCC 2015 Exclusive) - Ever After High
(New) Evie - Disney's Descendants