IN-FILLING FOR ADDITIVE MANUFACTURING
First Claim
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1. A method comprising:
- identifying a surface of a desired structure, the desired structure having an unspecified interior configuration;
enclosing the desired structure in a cell;
identifying an interior configuration by iteratively;
partitioning the cell into sub-cells;
discarding sub-cells that are entirely contained in an exterior of the structure; and
merging sub-cells that;
are entirely contained in an interior of the structure; and
satisfy a merging conditionuntil a stopping condition is satisfied; and
printing the structure with the identified interior configuration on a three-dimensional printer.
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Abstract
Iterative techniques are disclosed for in-filling enclosed, interior volumes of three-dimensional shapes during an additive fabrication process.
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Citations
26 Claims
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1. A method comprising:
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identifying a surface of a desired structure, the desired structure having an unspecified interior configuration; enclosing the desired structure in a cell; identifying an interior configuration by iteratively; partitioning the cell into sub-cells; discarding sub-cells that are entirely contained in an exterior of the structure; and merging sub-cells that; are entirely contained in an interior of the structure; and satisfy a merging condition until a stopping condition is satisfied; and printing the structure with the identified interior configuration on a three-dimensional printer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system comprising:
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three-dimensional printing hardware; and control circuitry configured to operate the three-dimensional printing hardware to fabricate a three-dimensional object from a three-dimensional model that describes, at least in part, a desired structure, the control circuitry configured to process the three-dimensional object to in-fill one or more enclosed volumes of the desired structure by performing the steps of; identifying a surface of the desired structure, the desired structure having an unspecified interior configuration; enclosing the desired structure in a cell; and identifying an interior configuration by iteratively performing the following steps until a stopping condition is satisfied; partitioning the cell into sub-cells; discarding sub-cells that are entirely contained in an exterior of the structure; and merging sub-cells that are entirely contained in an interior of the structure and satisfy a merging condition. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26-37. -37. (canceled)
Specification