Stereolithography contour smoothing method

An improved slicing technique for stereolithography is disclosed that employs micro-slicing or intermediate slices by identifying intermediate triangle vertices (1, 2, 3) in the STL file data in terms of surface triangles. Intermediate slice layers are passed through each intermediate vertex (1, 2,...

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Bibliographische Detailangaben
Hauptverfasser:	MANNERS, CHRIS R, KULKARNI, RAJEEV B
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An improved slicing technique for stereolithography is disclosed that employs micro-slicing or intermediate slices by identifying intermediate triangle vertices (1, 2, 3) in the STL file data in terms of surface triangles. Intermediate slice layers are passed through each intermediate vertex (1, 2, 3) to create a final build object or part that has smoother contouring, greater accuracy and an improved surface appearance than parts obtained using prior slicing methods.