An ordinary pen is a basic tool for every designer. And designers use this pen to draw their fabulous sketches and present great ideas. Those nice works came from a simple pen with a genius brain. 「筆」對於設計師來說是一項最基本的工具，它是單純的、細緻的、最簡單的、也最重要的，設計作品從筆為起點，描繪出扣人心弦的創意，創意會找到出口。