A 3D slicing and printing method using strengthened auxiliary wall is provided. The method is to control a 3D printer (3) to retrieve multiple layers of object print data corresponding to a 3D object (90), and multiple layers of wall print data and raft print data, print multiple layers of raft slice physical models (400,60) on a print platform (307) layer by layer according to the raft print data, print multiple layers of wall slice physical models (420-421,80-81) on the printed raft slice physical models (400,60) layer by layer according to the wall print data, and print multiple layers of 3D slice physical models (50-53,70-71) layer by layer according to the object print data during printing the raft slice physical models (400,60) and the wall slice physical models (420-421,80-81). It can effectively prevent the auxiliary wall (42,8) from collapsing and failure of printing a whole 3D physical model (5,7) via making a raft structure (40,6) be arranged under the auxiliary wall (42,8).

The invention relates to a device for producing products having individual geometries, comprising a substrate carrier device, a material application device for applying material, preferably above the substrate carrier device, which material application device can be moved relative to the substrate carrier device, and a control device which is coupled to the material application device for signaling. According to the invention, the material application device is coupled to an input interface for signaling and for selection of a first or a second application mode, the control device and the application device being designed such as to produce, in the first application mode, a three-dimensional product on the surface of a substrate plate by way of an additive production method, said substrate plate being connected to the substrate carrier device. According to the additive production method, a curable material is applied in consecutive layers, one or more predetermined regions are selectively cured after or during each application of a layer, the predetermined regions being bonded to one or more regions of the underlying layer. The predetermined region(s) is/are predetermined by a cross-section geometry of the product in the respective layer and is/are stored in the control device, and the curable material is applied in a plurality of consecutive layers to produce the three-dimensional product. The control device and the application device are further designed such that in the second mode of application one or more colors are applied to predetermined regions of a print substrate material connected to the substrate carrier device to produce a monochrome or polychrome print.

In an example of a three-dimensional printing method, a polymeric build material is applied. A fusing agent is selectively applied on at least a portion of the polymeric build material. The fusing agent includes cesium tungsten oxide nanoparticles, a zwitterionic stabilizer, and an aqueous vehicle. The polymeric build material is exposed to electromagnetic radiation to fuse the portion of the polymeric build material in contact with the fusing agent to form a layer.

A three-dimensional (3-D) printing apparatus and an inkjet coloring method thereof are provided. The 3-D printing apparatus includes a platform, a three-dimensional printing head, an inkjet head and the method includes following steps. A layer thickness of at least one layer object forming a 3-D object is obtained. An ink discharge volume of an ink layer is adjusted according to the layer thickness, wherein the ink discharge volume is in positive correlation with the layer thickness. A building material is melted and printed out on the platform according to the layer thickness by the three-dimensional printing head to form the at last one layer object. Ink is dispensed on the at last one layer object according to the adjusted ink discharge volume by the inkjet head to form the ink layer.

A shaping apparatus, a shaping method and a shaped object are provided. The shaping apparatus for shaping a shaped object that is stereoscopic and in which at least one part is colored is provided and includes: inkjet heads which are coloring heads that eject a coloring ink; an inkjet head which is a light reflective material head that ejects a white ink to become a light reflective material; and a controller. The shaped object including a region to be colored is shaped as the shaped object. At least a part of the region to be colored is formed by arranging a plurality of color cells set in advance as a unit of coloring. Each of the color cells includes a reflective core formed of the white ink, and an outer peripheral portion formed of the coloring ink.

The invention relates to a device for producing products having individual geometries, comprising a substrate carrier device, a material application device for applying material, preferably above the substrate carrier device, which material application device can be moved relative to the substrate carrier device, and a control device which is coupled to the material application device for signaling. According to the invention, the material application device is coupled to an input interface for signaling and for selection of a first or a second application mode, the control device and the application device being designed such as to produce, in the first application mode, a three-dimensional product on the surface of a substrate plate by way of an additive production method, said substrate plate being connected to the substrate carrier device. According to the additive production method, a curable material is applied in consecutive layers, one or more predetermined regions are selectively cured after or during each application of a layer, the predetermined regions being bonded to one or more regions of the underlying layer. The predetermined region(s) is/are predetermined by a cross-section geometry of the product in the respective layer and is/are stored in the control device, and the curable material is applied in a plurality of consecutive layers to produce the three-dimensional product. The control device and the application device are further designed such that in the second mode of application one or more colors are applied to predetermined regions of a print substrate material connected to the substrate carrier device to produce a monochrome or polychrome print.

A method of molding a three-dimensional object, the method including: generating modeling data for the three-dimensional object; determining a region to be modeled by layering the dot using the modeling ink based on the modeling data; determines a color region to be colored by discharge of the coloring ink on a surface of a set of the layered dot with the modeling ink, based on the modeling data to reduce a difference in depth in a normal direction of a surface of the three-dimensional object; generating modeling ink discharge data for discharging the modeling ink, and coloring ink discharge data for discharging the coloring ink; and causing the modeling ink and the coloring ink to be discharged in accordance the discharge data of the modeling ink and the coloring ink, and performing modeling and coloring of the three-dimensional object.

A method of slicing and printing a colour 3D model is disclosed. The method includes following steps: loading a model data corresponding to a colour 3D model; adding a pollution-blocking structure next to the colour 3D model; executing a slicing process to the pollution-blocking structure and the colour 3D model for generating a plurality of pollution-blocking slices and a plurality of model slices and configuring colour of each of the model slices; and, controlling a modeling nozzle (100) of a multi-colour 3D printer (1) to print the pollution-blocking slices and the model slices layer by layer and controlling a coloring nozzle (102) of the multi-colour 3D printer (1) to color each of the model slices.

A system and process for producing a homogenous extrudate powder coating composition having predetermined properties, the system comprising a color library database that is configured to store one or more input formulation data objects capable of use in controlling the inputs and operation of an electronically controlled homogenous extrudate mixer.

An additive manufacturing (AM) system includes a carriage that deposits material in a defined pattern and a building platform that receives material deposited from the carriage. The carriage includes a pre-heating assembly with a plurality of pre-heating chambers and a printing block with a plurality of slots for receiving a plurality of printing heads. The carriage is equipped with more pre-heating chambers than head slots.