retro line art drawing of a school bag with pockets and straps

art cartoon font drawing iron sketch furniture brand pattern line design diagram table vehicle circle calligraphy retro school bag pockets straps features classic detailed rendered nostalgic vintage style depicted clean crisp lines outline structure including main compartment front adjustable straps simplicity work highlights timeless subtle details like stitching buckles add character authenticity ideal educational materials retro-themed projects illustrations evoking sense schooldays captures essence traditional gear charming old-school flair