Our cabinet guitar plans plans incorporate detailed drawings and specifications that will allow you to finish your project efficiently. they will provide the information you need to successfully complete a project and provide a list of the materials, tools, screws, and hardware that are needed to finish the piece.. Instead of putting the cabinet on the curb in front of our home, we moved it to my study where it has lived ever since. there were (and are) some major problems converting the use of the cabinet to a humidified guitar cabinet. the first challenge was a middle shelf.. Guitar speaker cabinet plans 1