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I've been trying to make a magnetic carry case, and I ran into a couple of issues.
For starters, despite using a 5x2mm N35 magnets I noticed the models don't stick that strongly to the magnetic rubber sheeting. I have to end up using 2-4 magnets, depending on the size of the model, and that just seems excessive, and even then they tend to slide if I move the box too roughly or tilt it too much. They do seem to stay put if I just rock the box, to simulate walking, but I've seen people flip the box upside down and the models stay.
I understand the issue when it comes to the metal models; they are too heavy, but I also have a problem getting larger plastic models to stick.

I use a 0.4mm rubber magnetic sheet, is that too weak? Also, does polarity matter? Have I been putting the magnets on backwards?
How does one magnetize metal models? I managed to get one infantry size one to firmly stick to the rubber sheet, but I had to use 4 magnets.

Magnetic rubber sheet just isn't that strong unfortunately, so you nee da much bigger contact area with the magnets (or multiple magnets as you have found). You are better off with a direct magnet to steel sheet connection.

I have a work around on my BSF custom case where I use steel angles as an inbetween.


The magnets on the base get a nice strong grip on the steel, the angle gives me something that I can use for whole squads at a time, and the base on the angle gives a nice big area to bind with the rubber sheet.

I see, thank you.
It seems I will have to cut apart some tin cans then. After experimenting I found that old cookie tins give a much better grip.

I guess I'll just use the rubber sheets for movement trays then.

Just to clarify, you have magnets on the bottom of the steel angles, yes? Are a larger magnet, or are they the same ones you used for the models?

Sheet magnets do have polarity just like neo-dymium magnets do. Move a sheet over another or magnets over the sheet to see.

You get the best hold when you magnetize your models and stick them to sheet metal. That could be the metal in a metal toolbox, serving trays (some come with plastic covers for cake), stationary boxes with metal trays, or just plain sheet metal from the big box store that you snipped to size with sheet metal snips and glued to a plastic container of your liking.

 CthuluIsSpy wrote:
I see, thank you.
It seems I will have to cut apart some tin cans then. After experimenting I found that old cookie tins give a much better grip.

I guess I'll just use the rubber sheets for movement trays then.

Just to clarify, you have magnets on the bottom of the steel angles, yes? Are a larger magnet, or are they the same ones you used for the models?

No magnets fixed to the steel angles. The surface area of the angle is big enough for the magnetic rubber sheet to grip it pretty securely.