(a) Schematic of the SLS technology with an inverted laser system for printing multimaterial components, (b) The applied laser setup during the experiment and (c) Overview of the inverted sintering process; (1) the green agent is distributed over the glass sheet, (2) unfused gray material is distributed over the green agent, (3) the substrate is attached on top of the deposited material, (4) the laser beam is irritated over the pre-programmed pattern, (5) the fused material is easily removed from the surface, (6) the process is repeated with a new layer for completing the multilayer product and (7) the fabricated multimaterial sample, reproduced from Whitehead and Lipson (2020)