This is the knob insert for Samsung Cooktop, original part number DG94-01512A, it works on the following cooktop / ranges:
NA30N7755TS/AA
NA36N7755TS/AA
NA30N7755TS
NA36K7750TS/AA
NA30K7750TS/AA
PLA should work, but it's recommended to print in ABS/ASA/PC as it's close to the flame.
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