Need some thinish, tough, slidy, plasticy stuff - 600mm-ish square

[Thomas Prufer]

... or just an offcut of Formica?

In more normal times, a cabinetmaker would either not have it all or have bundle of odd strips somewhere in a corner, leftovers from edging strips, and might part with some for the asking.

Or strips cut from laminate flooring?

Thomas Prufer

[tabbypurr]

same thing :)