Black Kydex sheeth 2 mm thick, 30 x 30 cmm
The industry standard for hot molded sheath making, black kydex in 2 mm.
This is a good thickness for knife sheaths, thick enough to be rigid but thin enough to show some detail.
The sheath is approx 30 x 30 cm in size, made in the USA.
Heat the kydex with a heat gun or in a toaster oven until soft and press in kydex press around the knife.
Then drill holes and fasten with 1/4" kydex rivets before sawing or grinding to final shape. Sand edge smooth.