Welcome to the site, have you been lurking long?
Henreette handbacks is a site full of different bags and a sale at present. Also google easy bag patterns and you could use free as well.think of the bag as a box with sides etc you are joining or going to leave out( ie sides) .
They are easy use the magnet catch which goes in before put sections together and you can get feet at well.
Pockets zips come as you go.