Design of Zebra ballpoint. The Aim was to design a dynamic shaped pen, which will make light and elegant impression. Her specialty is asymmetrically engineered rotatable slider. After turning one half of the ballpoint of 180 ° the tip of ballpoint is ejected and the shape of the rotary joint in place is slightly broken by 8 °. Thus, the pen gets interesting and ideal ergonomic shape which refers to the ancient style of writing with a goose quill.