PATTERN BASICS: The Sonny Jacket is pattern number 1043 from Tilly & The Buttons – an independent pattern company founded by Tilly Walnes who was a contestant on Series One of The Great British Sewing Bee.  It comes in printed and PDF format and is an everyday jacket with a boxy fit and multiple style options.  It’s intended for medium to heavy weight fabrics that hold their shape like corduroy, denim, twill and canvas and has a size range of one to 15.   MY VERSION: I’ve ma