3D printing color rendering method, device and system based on color management

Abstract

The invention provides a 3D printing color presenting method, device and system based on color management. According to the method, after voxelization treatment is carried out on a 3D model, and positional information and color information of a model voxel are obtained; after color spatial switching is carried out on the color information, according to 3D printing equipment ICC color character files obtained in advance, common color management software is adopted for conducting standard CMYK color-code four-primary-color color separation treatment, and CMYK four-primary-color color separationplates are obtained; and according to the K plate priority principle, an eight-primary-color voxel parallel color presenting method is adopted, model voxel eight-primary-color printing voxel color plates are obtained according to the CMYK four-primary-color color separation plates, and opaque materials are adopted for printing the 3D model layer by layer. The CMYK four-primary-color color separation method and the K plate priority eight-primary-color voxel parallel gathering color presenting method are adopted, standard color codes can be printed, the common color management software can be used for building the 3D printing equipment ICC color character files, and accurate management, exchange, transferring and representing of the color are facilitated.

Description

technical field [0001] The present invention relates to the technical field of 3D printing, in particular to a 3D printing color presentation method, device and system based on color management. Background technique [0002] 3D printing technology is to generate 3D objects through layer-by-layer additive manufacturing. It first obtains the 3D model data of the printed object through computer design, scanning and other methods, and obtains the position and color information of the 3D model through computer-aided design, and then gradually Printing in layers, where layers are stacked until the entire solid object model is formed, completes the print. [0003] In the existing 3D printing color rendering method, the printing color materials mixed in different proportions can be melt mixed, and then extruded to the printing surface, or the printing color materials can be pre-mixed according to the color requirements, and produced through a linear extrusion head Consumables, and ...

AI Technical Summary

Problems solved by technology

During the printing process of these methods, the target color needs to be pre-mixed continuously according to different target colors, and the previous mixed color may remain in the pre-mixer, which will affect the next color effect

Another 3D printing color rendering method is the side elevation dyeing method, which needs to print the dyed shell and the auxiliary shell separately, and the printing accuracy of the color position cannot reach the level of a small voxel; after the printing is completed, the shell needs to be dissolved or peeled off , the post-processing process is complex

[0004] In short, most of the existing 3D printing methods are directly mixed with ink to produce color, which has problems such as poor color reproduction, inability to present transitional colors and true colors with a large color gamut, resulting in low accuracy of color reproduction

In addition, due to the limitations of the color rendering method and principle, the existing 3D printing color rendering method does not comply with the open ICC digital color management specification, and cannot carry out effective and accurate color management, transmission and communication; due to the limitation of the color rendering method, Unable to print four-color color management color codes, and unable to use general open ICC color management software to establish color characteristic files of 3D printing equipment for accurate color management, which is not conducive to the popularization and application of 3D printing color management and accurate color communication, transmission and reproduction

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