Sewing a curved shape e.g. on a purse or bag is easy with this technique from Kat. 

If you'd like to learn how to sew a purse, we teach you in week 3 of our Learn To Use A Sewing Machine course - info here

Or for more advanced sewing - clothes, curtains, knickers and more - check out our Improver level sewing classes here

For making your own patterns for your own fashion designs you'll need our Drafting Your own Patterns courses - info here