Making LARP leather bag DIY

Making LARP leather belt bag. Pattern: For this project you need Materials: 0, 20, 3 square meters (2, 2 square feet) of leather (preferably 2, 02, 2 mm, 56 oz); waxed thread (preferable 0, 81 mm); 9 rapid rivets (9x9 mm); 25 mm buckle. Tools: Printer; Sharp knife; Transparent tape; Masking tape; 5 mm multihole punch or 1mm hollow round punch or awl for leather; Hammer; 4 mm hole puncher; 15 and 25 mm h