bed. and eight to serve as support for the horizontal part. also decide if you want to build a separate ladder or just add more wood to the horizontal part.
build loft bunk beds with desk, drill starter holes in the top two of your posts. they should be about 6 to 12 inches from the top of the post. then drill more holes in the bottom with the same distance. lay them flat on the floor. place one of your long pieces of wood between the two positions, so that it sits on top and in the course of the starting blocks. screw the beam into place. 