having devices for changing, e.g. proportionally enlarging or reducing, the shape from an original pattern

Full Title

Artists' machines or apparatus equipped with tools or work holders moving, or able to be controlled, three-dimensionally for making single sculptures or models (copying devices for machine-tool use B23Q35/00) > wherein three-dimensional [3D] copies are made > having devices for changing, e.g. proportionally enlarging or reducing, the shape from an original pattern