I needed to find a way to squeeze all of my DJ and Production hardware into one space. I was unable to find anything online that exactly met my needs. So I opted to build two desks, the lower of which is mounted on casters and can be rolled under the larger desk.
https://i.imgur.com/I8xEnMB.jpg
https://i.imgur.com/O1iRTlg.jpg
https://i.imgur.com/yfRPEo5.jpg