Recycling bins can take up way too much floor space in the kitchen or mudroom. Here's an easy project that will get them up off the floor and out of the way, and it costs almost nothing. Learn how to make these hangers at http://www.familyhandyman.com/DIY-Projects/Home-Organization/Instant-Organization/garage-organization-create-recycle-bin-hangers
I think little details would be nice, coming off of the desk especially, made the shelving unit. I like the idea of tape rolls being attached to his desk as if he's a handy man and is prepared for any situation. Tapes for every need.
Garage Ceiling Lattice. Hangs scrap sections of plastic lattice to store everything from lengths of molding to fishing poles. Because of the open design of the lattice, you can quickly see the items stored overhead and has easy access to them. http://hative.com/clever-garage-storage-and-organization-ideas/