I really enjoy the clean operating space around my iMac but I always wished there was a way to mount my backup hard drive somewhere out of sight. I had seen a device called a "backpack
" made for iMacs that serves as a shelf that juts out from the rear of the cast aluminum base. Nice as it was, it seemed a bit expensive and motivated me to glance around the house for another solution. Basically, this instructable uses zip-ties to form a harness for the hard drive. A separate zip-tie fastens the hard drive to the back of the stand. This trick should work for any moderately small form-factored hard drive (mine is a 500GB MyBook).