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公开(公告)号：US10569527B2
公开(公告)日：2020-02-25
申请号：US15544510
申请日：2015-04-24
摘要： Methods and apparatus for three-dimensional object representation are described. In an example, data representing a three-dimensional object is received, the data comprising an object property description associated with each of a plurality of locations within the object. Distinct object property descriptions are identified and a data object, which has a plurality of addresses, is populated with data indicative of the distinct object property descriptions, such that data indicative of each distinct object property description is represented at a different address. Data comprising a representation of the object is generated, the data comprising a data object address associated with each of a plurality of locations, wherein the data object address corresponds to the address of data indicative of the object property description for that location.
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公开(公告)号：US11356268B2
公开(公告)日：2022-06-07
申请号：US16613821
申请日：2017-06-02
发明人： Helen Balinsky , Scott White , Robert Taylor , Adrian Baldwin , Jonathan Griffin
摘要： Examples associated with digital composition hashing are described. One example method includes receiving a digital composition file from a user. The digital composition file may include a top-level design and a hierarchy of sub-level designs. A hashed structure may be generated from the digital composition file, where a node in the hashed structure for the first sub-level design is generated based on hashes of sub-level designs below the first sub-level design in the hierarchy. The hashed structure and a hash of the digital composition file are stored in association with the user.
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23.发明授权公开(公告)号：US10809699B2
公开(公告)日：2020-10-20
申请号：US15544936
申请日：2015-04-24
IPC分类号： G05B19/4099 , B33Y50/00 , B29C64/386
摘要： The application refers to a method for generating three-dimensional object models for an additive manufacturing process in a layer-by-layer manner, e.g. 3D-printing, and to generating control data for use by the print apparatus. The object models are generated from a geometric description and from object generation data, which comprise the print apparatus and attributes such as a halftone scheme, a print apparatus setting, an object structure and a print material coverage representation. The method is implemented in the form of a computer software product and generates data specific for each identifies printing device.
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公开(公告)号：US20190202132A1
公开(公告)日：2019-07-04
申请号：US16092886
申请日：2016-05-12
申请人： Alejandro Manuel DE PENA , Scott WHITE , Sergio PUIGARDEU ARAMENDIA , Carmen BLASCO , HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
IPC分类号： B29C64/393 , B29C64/153 , B33Y50/02 , B33Y10/00 , B33Y30/00 , G05B19/4099
CPC分类号： B29C64/393 , B22F3/1055 , B22F3/24 , B22F2003/1056 , B22F2999/00 , B29C64/153 , B29C64/35 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , G05B19/4099 , G05B2219/35134 , G05B2219/49007 , G05B2219/49023 , Y02P10/295
摘要： A controller-implemented method of controlling a three dimensional (3D) printing process, comprises presenting printing options (20) of the 3D printing process at a user interface (16); accepting settings (22) from the user interface (16) based on the presented printing options (20); determining a printing instruction (24) based on the settings (22), the printing instruction (24) to be used to manufacture a three-dimensional (3D) object; and determining a post-processing instruction (26) based on the settings (22), the post-processing instruction (26) to be used in post-processing the 3D object.
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公开(公告)号：US20190122427A1
公开(公告)日：2019-04-25
申请号：US16302962
申请日：2016-07-26
发明人： Jun Zeng , Ana Del Angel , Scott White , Sebastia Cortes i Herms , Gary Dispoto
IPC分类号： G06T17/00 , G06F16/901 , B33Y50/00 , B29C64/386
摘要： One example includes a non-transitory machine readable storage medium including voxels organized by an octree and at least one quad-tree index. The octree defines an object to be three-dimensionally printed and includes a list of nodes for each depth of the octree where each node includes nodal content representing at least one voxel. The at least one quad-tree index is to index at least one node of the octree and has a depth less than or equal to a maximum resolved depth. The at least one quad-tree index is to be accessed by computer executable instructions to retrieve nodal content from the octree to control a processor to process the object to be three-dimensionally printed.
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公开(公告)号：US20190026953A1
公开(公告)日：2019-01-24
申请号：US16072277
申请日：2016-05-16
摘要： According to an example, a processing device may slice a 3D model along a first direction to generate a plurality of layers in parallel planes defined across a second direction and a third direction, in which each of the plurality of layers is composed of respective polygons representing portions of the 3D model. The plurality of layers may be partitioned into a plurality of stacked boxes containing the respective polygons and for each stacked box of the plurality of stacked boxes, the polygons in the stacked box may be assembled into a superset polygon and the superset polygon may be partitioned into bounding shapes. A shape profile of the 3D object may be generated using the bounding shapes.
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公开(公告)号：US20180173826A1
公开(公告)日：2018-06-21
申请号：US15837919
申请日：2017-12-11
发明人： Scott White , Helen Balinsky , Tanguy Delume
IPC分类号： G06F17/50
CPC分类号： G06F17/5009 , B33Y50/02 , G06F17/50 , H04L9/00
摘要： In an example, a method includes acquiring, at a processor, first object model data representing a first three-dimensional object. A portion of the first object model data representing an object region to be concealed may be identified using the processor. The first object model data may be transformed, using the processor, to determine second object model data representing a modified first three-dimensional object which is distended in the object region represented by the identified portion of the first object model data.
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公开(公告)号：US20180117897A1
公开(公告)日：2018-05-03
申请号：US15545038
申请日：2015-04-21
发明人： Jun Zeng , Pu Huang , Sebastia Cortes , Scott White , Juan Manuel Garcia , Peter Morovic , Jan Morovic
IPC分类号： B33Y50/02 , B29C64/393
CPC分类号： B33Y50/02 , B29C64/393 , G06T17/005
摘要： In some examples, octree serialization can include non-transitory machine-readable medium storing instructions, the instructions executable by a processing resource to evaluate two or more nodes sequentially in an octree structure until a leaf node is reached, wherein the two or more nodes include at least one non-leaf node, and generate a serialized octree document based on a respective node identifier in a header associated with each node of the two or more nodes.
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公开(公告)号：US11511492B2
公开(公告)日：2022-11-29
申请号：US16612945
申请日：2017-08-01
发明人： Marcelo Aita Riss , Thiago B. Lima de Moura , Alyne Gomes Soares Cantal , Ana Patricia Del Angel , Jun Zeng , Scott White , Sebastia Cortes i Herms
IPC分类号： B29C64/393 , B33Y50/02 , B33Y80/00
摘要： A method of manufacturing an object via three-dimensional printing is disclosed. Data regarding the object is received. The object is three-dimensionally printed from the data. A wrapper is also three-dimensionally printed from the data. The wrapper encloses the object and includes information regarding the object.
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公开(公告)号：US11364687B2
公开(公告)日：2022-06-21
申请号：US16605067
申请日：2018-04-10
IPC分类号： B29C64/393 , B33Y50/02 , G06T17/00
摘要： In an example implementation, a method of compensating for dimensional variation in 3D printing includes receiving a 3D object model that represents a 3D part to be printed. The method also includes receiving a build material type and a position for printing the 3D part within a build volume. The method includes determining from the position, target subvolumes of the build volume into which the 3D part is to be printed, retrieving a dimensional compensation factor associated with each target subvolume, and then applying each dimensional compensation factor to the 3D object model to scale the 3D part according to the position of the 3D part within the build volume.
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