A sheet of PET would be worth looking in to. Optically, it's clearer than perspex, and way tougher. It's what 2 litre drinks bottles and riot shields are made of. No idea of the cost I'm afraid.
@JurekB started
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A sheet of PET would be worth looking in to. Optically, it's clearer than perspex, and way tougher.
It's what 2 litre drinks bottles and riot shields are made of. No idea of the cost I'm afraid.