Plenty of build alongs,books,and videos out there to cover all that info better than can be said here without writing a book...your basically asking someone to write you a couple chapters in a book...in simple...carefully remove bark...don't ding or nick the wood underneath...layout and cut a bow out following the grain...then reduce your belly meat till it starts bending...different woods will require different dimensions..and intended draw weight n length will affect dimensions as well