API Reference > geometry-core > CartesianGeometry > Transform > multiplyTransformMatrix3d multiplyTransformMatrix3d Method multiply this Transform times other Matrix3d, with other considered to be a Transform with 0 translation. multiplyTransformMatrix3d(other: Matrix3d, result?: Transform): Transform Parameter Type Description other Matrix3d right hand Matrix3d for multiplication. result Transform optional preallocated result to reuse. Returns - Transform Defined in core/geometry/src/geometry3d/Transform.ts Line 551 Last Updated: 13 June, 2024