I realized we didn't have any colour clipart images representing blueprints here on openclipart.org yet, so I whipped up this remix to fill that gap. I suppose it wasn't a gap. But just in case someone needs it, here it is!
簡單的藍圖
blueprints、cartoon、construction、design、Paper scrolls stacks & scraps、plans、schematic
藍圖、動畫片、施工、設計、紙捲滾動堆棧和廢料、計劃、概要
資料來源：openclipart ( https://openclipart.org/ )