3D printing is not one technique but many, depending on the used chemical principles for printing.
One of these techniques is vat photopolymerization, in which light cures liquid formulations point-by-
point and layer-by-layer, thereby creating 3D shapes. Such objects are currently manufactured of only
one material. To increase their functionality, however, this research project aims to change the
material properties within the printed object by changing the printing parameters. It will be possible
to not only decide where the material forms but also what material forms. This will enable 3D
printing of multi-material objects from one single print, in analogy to the advancement of black/white
printing to colour printing.