IKEA Hacker featured this project using a Bonde bookcase. Nicole added 4 castors to the bottom and a sliding rail at top, along with reinforcing the cabinet, to create a sliding bookcase door for a half bath. This isn’t completely secret since the rail is fully...
This Celato storage unit is from the Italian studio, Factory De Castelli. It contains several hidden drawers of varying sizes to store items out of sight.
These cabinets from UpAndAwayStorage.com look a bit dated, but the concept is timeless. Push a button and the full cabinet loaded with rifles or other valuables swings down from the ceiling for access and display.
