Epiciloide & Hipocicloide(Wroten in English)

Well, let's speak english. Today I will write in english about Epiciloids and Hipocicloids.

The Epiciloid is made with a circunference drawn in other circunference bigger than first. You must select one point on the first circunference and move the circunference on the line, the point that you select draw one tipe of curve, like this:

The Hipocicloid is the another curve made like Epiciloid but under the line of the second circunference. Another time again you must select one point of the first circunference, and move it. Finally you must got something like that:

This is the end of the entry, thanks for visit it :)