# Marching Squares - ![](../images/Pasted%20image%2020220411133621.png) - Also uses [Interpolation](Interpolation.md) - Symmetries - ![](../images/Pasted%20image%2020220411133645.png) - [Asymptotic Decider](Asymptotic%20Decider.md) - [Midpoint Decider](Midpoint%20Decider.md)