In a search for a Philips OneBlade case I saw a few with a hinge, with magnets ext…
I did not found any solution for the bigger OneBlade model so I made one for my cuisine.

As it sounds like. A box and a magnetic lid.

Fits 8 (6X3) small magnets in the box and the lid itself.

For customization you can add a name or any desired text on the lid with your favorite 3D slicer. Also in the photos you can see I've added a thin layer of foam for scratch protection.

Have a nice day!