this is a very simple and easy effect to try with minumum amount of skill but maximum effect.
pic 1: using a sliding bevel mark arond each piece with it set at 45degrees for the pole just draw it on freehand.
pic2: hold in vice and using a round rasp file along your lines .
pic3: using fine grit sandpaper, sand along all the grooves and finish sanding with some very fine paper wrapped around a pencil.
thats all there is to it.