for motion in a direction within the plane of a layer

Full Title

Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering > Apparatus for additive manufacturing; Details thereof or accessories therefor > Driving means > for motion in a direction within the plane of a layer