A red spirograph image. I made this shape originally with AutoCad a few years ago.
紅螺旋
2015、autocad、daily、dailyclipart、dailysketch、draw、ds13、fun、game、openclipart、parametric、red、sketch、spiro、spirograph、upload2openclipart、vectorized
2015、AutoCAD的、日常、dailyclipart、dailysketch、畫、DS13、開玩笑、遊戲、開放美工圖庫、參數、紅色、草圖、螺、萬花尺、upload2openclipart、矢量
資料來源：openclipart ( https://openclipart.org/ )