Create a Peter Pan collar from a standard shirt collar. Free tutorial with pictures on how to make a shirt collar in under 60 minutes by sewing and dressmaking with sewing machine and bias tape.
Sewing Lesson: Peter Pan Collar Dress 128 05/2011 – Sewing Blog | BurdaStyle.com
Tonic Tee Upgrade: Collar by Christine Haynes! The pdf pattern for the tee is free too
How to add a Peter Pan Collar to Any Top-- I'm doing this to every shirt!
my sparkle: Removable Peter Pan Collar DIY