# Barth Decic

A **decic surface** is one defined by a polynomial equation of degree 6. The **Barth decic**, drawn here by Abdelaziz Nait Merzouk, is the decic surface with the maximum possible number of **ordinary double points**: that is, points where it looks like the origin of the cone in 3-dimensional space defined by \(x^2 + y^2 = z^2 \).