... , cross, slotted Opening type: round, square, triangle, diamond, star etc. Material: iron sheet, stainless steel sheet, aluminum sheet, ... special decoration results.Please indicate parameters below when you ask for a quotation:hole pattern sheet shape material sheet ... elliptical, square, triangle, diamond, hexagonal, cross, slotted, star, plum blossom, other special patterns.Sheet sizenormally 2m*1m, ...