My father invented a nifty hobby bench that I've ALWAYS wanted to try, and I had the chance to do so when they went to northern California and I offered to house-sit for them. When not in use, it folds up against the wall, then slides behind the bookcase. To set it up, you slide it out, fold it down, then insert a Y-shaped leg into a corresponding slot in the wall. This reveals storage space where Father keeps his modeling tools and supplies (he builds wooden ship models). On top is an adjustable light. By inserting the bottom end of the leg into different slots in the wall, Father can have a hobby bench, drafting table, or music stand for when he tries to sing and "play" the guitar.
Too bad I don't have a digital camera nor the knowledge of how to post pictures even if I did have one
; I would certainly show it to everybody. I've used it twice now (I brought my current project to Arizona with me) and I love it! My only gripe is that some of the space behind the bookcase is difficult to reach; he has longer arms than I do. I brought my own tools; they're kept in a fishing tackle box that sits on my mother's computer table right next to me--they're handy yet out of the way! Even the bookshelves are storing a few of my modeling things. I can leave things set up here without having to worry about keeping it out of the cat's reach.
It's a far cry from my arrangement at home: I simply throw an old soil-amendment ad on my makeshift coffee table and call it my workbench. Because my workbench also doubles as an eating table and a typewriter table, I have to put everything away in drawers or under boxes when I'm not modeling, both to make room and to keep it away from the cat.