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  • True, it could be a couple of inches taller. Can always compress it with a bungee strap. I'll definitely put a larger zipper slide cover - didn't extend it enough on this proto.

    I've been thinking about foam but haven't found the right stuff and don't know what to search for. Something low density but stiff, 3-5mm would be ideal. Could maybe bodge it with some pieces of coroplast between the outer and liner but foam would be way nicer and easier to install.

  • I'd recommend EVA Foam.

    It's what the cosplayers use to build their "armor". Lightweight, stiff enough to hold form, easily cut and glued.

    And since it's the "new thing" for cosplayers, readily available in a hundred online shops.

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