# An example input file to draw three tori in 3D space. region: " -[(x^2 + y^2 + z^2 + 2.0^2 - 1.0^2)^2 - 4 * 2.0^2 * (x^2 + y^2)] | -[(x^2 + y^2 + z^2 + 2.0^2 - 1.0^2)^2 - 4 * 2.0^2 * (x^2 + z^2)] | -[(x^2 + y^2 + z^2 + 2.0^2 - 1.0^2)^2 - 4 * 2.0^2 * (y^2 + z^2)] " bounds: min: [-5, -5, -5] max: [5, 5, 5] resolution: [50, 50, 50]