The square torus is the quotient of the plane by the integer lattice.
Square Torus
Cite this as:
Weisstein, Eric W. "Square Torus." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SquareTorus.html
The square torus is the quotient of the plane by the integer lattice.
Weisstein, Eric W. "Square Torus." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SquareTorus.html