| 摘要 |
A method for forming a porous three-dimensional (3-D) object includes creating a mold from a negative replica of the 3-D object, the 3-D object having a first size and at least one predetermined feature, and then casting a flowable material into and/or onto the mold. The method further includes forming pores of a second size and/or a third size in the flowable material, thereby forming the porous 3-D object.
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