This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.

Turtle in Python is used for teaching programming concepts through simple, visual graphics. It provides an intuitive way to draw shapes and patterns, making coding more interactive and engaging.

This is an artistic Python program of the Collatz Conjecture: one of the most famous unsolved math equations. Basically if X is even, divide by two, if X is odd, multiply by three and add one.