Flipper

Flipper is designed for computing the action of mapping classes on laminations on punctured surfaces using ideal triangulation coordinates. It can determine the Nielsen–Thurston type of a mapping class and construct a layered triangulation for pseudo-Anosov mapping classes. The software supports Python versions 3.6 to 3.9 and can also run on PyPy and Sage, making it suitable for users in mathematical research and education.