| abstract |
The invention provides a construct (1) comprising a number N of material types (100, 110,...), wherein N is at least 2, wherein at least two of the material types (100, 110, …) comprise granular material (101) comprising particles (10), wherein the granular material (101) at least defines an exterior surface (6) of the construct (1), wherein the construct (1) is self-supporting, and wherein the construct (1) is (i) self-healing or is (ii) configured for being self-healing by changing a liquid (15) content of the construct (1); wherein the different material types (100, 110, …) mutually differ in at least one characteristic (19) selected from the group consisting of a physical characteristic and a chemical characteristic. |