價格：免費
檔案大小：432.7 MB
版本需求：OS X 10.9.0 或以上版本。 系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Shapes… Sighting… Shading. There are many natural features that give objects their shape and form. In this 19-tutorial course, Siobhan Twomey explains how to see these features and how to get them on down on “paper.” Learn to draw what you see... with Siobhan!
支援平台：iPhone, iPad, Mac