Trimming the f-holesBrace material. This is from an old cupboard and has a lovely tone. I think it is yellow cedar.Fitting the brace with chalkI braced the back as it is far too thin in the middle. Really I should make a new back but that isn’t going to happen – at least until I find out whether the sound is basically ok.Gluing the braces on with a collection of lumps of metalShaping back braceShaping top braces. They are 11.5mm high in the middle and around 5mm thick.Ready to glue the top onGluing…