secret magnet

Secret Magnet Sign StorageThis model looks like a normal fridge magnet sign, but it has a hidden compartment on the back. Stick a thin magnet sheet (or small magnet strips) onto the back, and you can attach it securely to your fridge, locker, or metal safe.The hidden space behind the magnet can store small items such as:Spare keysEmergency cashNotes or passwordsSmall keepsakesAssembly NotesPrint the model as one piece (no supports needed, unless your design requires it).Attach 1mm magnet tape, magnet sheet, or strong neodymium magnets to the back with glue or double-sided tape.Test the strength on your chosen surface before storing heavier items.TipsA thin flexible magnet sheet gives full-surface coverage.Stronger neodymium magnets work better if you expect to store heavier keys.You can customize the “sign face” with your own text or symbols to blend in with your fridge decor.