public static function fromArray(array $stlFileArray) : STL
    {
        $class = new self();

        $class->setSolidName($stlFileArray["name"]);
        foreach ($stlFileArray["facets"] as $facet) {
            $class->addFacetNormal(STLFacetNormal::fromArray($facet));
        }

        return $class;
    }