From where / how (if I dare FABRICATE) can I buy a STOVETOP SPLATTER TRAY?

I am feverishly-shopping to replace the 2 metal splatter trays for my gas fired stovetop. – This Kenmore(r) gas range / stove has raised (I think they are called) Burner-trays that stand on top of the cooking-surface (1960’s technology.) Yes – I do shop SEARS ROEBUCK, JC PENNY and other merchants where this…