material selection - How would I go about making this 2mm EVA foam mask sturdier, and what should I use? - Arts & Crafts Stack Exchange

I made a plan for my mask to make a template pattern out of in a 3D modeling software, as seen below. The blue model is for scale. It's pretty big, and the only foam I have right now is 2mm thick

✔️【2PCS Thin Eva Foam Sheet】49 x 13.5 inches, 2mm thickness, very suitable for diy craft, cosplay,etc.The two pieces foam are rolled together. ✔️【Soft

2-Pack White Eva Foam Cosplay Sheets roll, Premium eva Craft Foam 2mm Thick, 13.5 x 49, High Density 86kg/m3 for Cosplay Costume, Crafts, DIY

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White Foam Sheets Roll, Premium Cosplay EVA Foam Sheet 8mm Thick,13.9x39,High Density 86kg/m3 for Cosplay Costume, Crafts, DIY Projects by MEARCOOH… : Arts, Crafts & Sewing

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Foam Sheets WHITE 10 Sheets/2mm 12x18 Darice Foamies Sheets Closed-cell Foam Sheets for Arts & Crafts/foam Sheet

VRED 2023 Help, Changing the Material Preview Shape