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Algorithm for quickly extracting characteristic element with support needed for STL three-dimensional model in 3D printing

A 3D model and support feature technology, applied in the field of 3D printing, can solve problems such as false crashes and long support generation time

Inactive Publication Date: 2016-07-13
贺兵 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the support generation algorithm of the 3D printing software, there is a "fake crash" problem that generates support for too long

Method used

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  • Algorithm for quickly extracting characteristic element with support needed for STL three-dimensional model in 3D printing
  • Algorithm for quickly extracting characteristic element with support needed for STL three-dimensional model in 3D printing
  • Algorithm for quickly extracting characteristic element with support needed for STL three-dimensional model in 3D printing

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Embodiment Construction

[0023] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0024] figure 1 A flowchart of extracting support feature elements according to an embodiment of the present invention is shown. The method is based on image 3 The STL model in . The detailed description process is as follows:

[0025] 1. After the STL model is parsed, it is stored as a triangular patch array. Among th...

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Abstract

The invention discloses an algorithm method of quickly extracting a characteristic element with a support needed for an STL three-dimensional model in 3D printing. After grid processing is carried out on a triangular facet and a vertex of the STL model, on the premise of not building a topological relation, an isolated area is quickly formed, and the characteristic element with a support needed can be further extracted from the isolated area.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and more particularly relates to a support algorithm generation process of 3D printer software Background technique [0002] 3D printing technology, the latest idea of ​​which originated from a patent in the United States for a layered topographic map at the end of the 19th century; it was not until 1984, when American Charles Hull invented stereolithography technology, that digital data was used as an input model in a real sense. A direct manufacturing technique that outputs an approximate 3D solid. This highly integrated cutting-edge technology has subverted the production mode of traditional mold assembly line batch manufacturing technology. In today's era, people's pursuit of personalized needs echoes. [0003] 3D printing technology has experienced decades of development, and my country has set off a climax of 3D printing technology research and development and application in the 21st ...

Claims

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Application Information

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IPC IPC(8): G06T15/00
CPCG06T15/005
Inventor 贺兵姜海涛周盛宗
Owner 贺兵
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