Fig. 9From: Review of heterogeneous material objects modeling in additive manufacturinga Voronoi-diagram-based honeycomb-cell structure [82]. b Parameterized adaptive infill primal and/or dual cellular structure to hollow the solid models [83]. c Voronoi-based foam structure with controlled isotropic elastic behavior [84]. d Self-supporting foam structure based on a space-filling surface with spatially varying subdivision levels [85]Back to article page