3繪畫碎形圖形

題月一：隨機亂跑

http://blockly-demo.appspot.com/static/apps/turtle/index.html#hfga2m

題目二：先畫半徑為0.5的4個圓（每個圓差90度）、再將半徑加大0.5，共畫6次

http://blockly-demo.appspot.com/static/apps/turtle/index.html#xjqu5s

題目三：6朶小花

http://blockly-demo.appspot.com/static/apps/turtle/index.html#zw3wq8

題目四：方格

http://blockly-demo.appspot.com/static/apps/turtle/index.html#pmkjmi

題目五：蝸牛殼

http://blockly-demo.appspot.com/static/apps/turtle/index.html#marecv

題目六：改變上題的長度與角度

http://blockly-demo.appspot.com/static/apps/turtle/index.html#y93pq2

http://blockly-demo.appspot.com/static/apps/turtle/index.html#d6y6h5

http://blockly-demo.appspot.com/static/apps/turtle/index.html#wxzc59