# MathLapse – Flower Drawing Machine

영상

MathLapse – Flower Drawing Machine

## 저작권

## 크레딧

The video shows the construction of a hypotrochoid.

It is the trace of a moving point, which is connected to a circle. This circle is rolling around the inside of a fixed bigger circle. Here, the ratio of the radii of the two circles is 4/9. Therefore, the resulting hypotrochoid has 9 leaves.