There are a number of stages building a frame from a block of hardwood.I usually use steamed beech as it's beauty lies in its original state, maybe just adding a little clear wax rub to bring out the grain.
Using a picture-to-frame calculation and a sharp pencil I set to work.
From a block of wood I cut it down to the required dimensions, cut in the recesses on the four sides to accept the glass, mat board, picture and back panel.
It then flows through the stages below...