Further to my previous post and the great "Costume box" online class, here comes a quick visual tutorial to make in no time a cape for my knight :-)
You will need to fold in half a piece of fabric with the dimensions herebelow
Anne shows how to sew the cape with lining, it looks gorgeous and is actually easier to do than without, because then one has to hem all the sides to give the cape a "finished" look.
In the end I added a button and an elastic as closing mechanism but it could be anything