Patent ID: 8509933

Claim:
A system for fabricating a non-homogeneous article, the system comprising: a design application configured to create a 3D voxel-based model of the non-homogeneous article, wherein the 3D voxel-based model comprises a multi-dimensional array of voxel elements, wherein each voxel element of the multi-dimensional array of voxel elements is assigned one or more values representing one or more physical properties M; and a rapid prototyping machine for fabrication of the non-homogeneous article, wherein said rapid prototyping machine is configured to fabricate the non-homogeneous article via additive manufacturing using the 3D voxel-based model, wherein the rapid prototyping machine is configured to fabricate the non-homogenous article using one or more materials; and the one or more physical properties of the voxel elements of the multi-dimensional array of voxel elements correspond to properties of a plurality of 3D dots of the non-homogeneous article, wherein for each 3D dot of the plurality of 3D dots, a respective transfer function T(M) identifies at least one of the one or more materials to produce a material having the respective one or more physical properties of the respective 3D dot; wherein fabricating the non-homogenous article comprises curing a resin identified by the transfer function associated with at least a portion of the dots of the plurality of 3D dots, wherein the transfer function associated with the portion of the dots identifies at least one light frequency for curing the respective dot.