Atomizer: Beyond Non-Planar Slicing for Fused Filament Fabrication

IF 2.9 4区 计算机科学 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING
X. Chermain, G. Cocco, C. Zanni, E. Garner, P. A. Hugron, S. Lefebvre
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引用次数: 0

Abstract

Fused filament fabrication (FFF) enables users to quickly design and fabricate parts with unprecedented geometric complexity, fine-tuning both the structural and aesthetic properties of each object. Nevertheless, the full potential of this technology has yet to be realized, as current slicing methods fail to fully exploit the deposition freedom offered by modern 3D printers. In this work, we introduce a novel approach to toolpath generation that moves beyond the traditional layer-based concept. We use frames, referred to as atoms, as solid elements instead of slices. We optimize the distribution of atoms within the part volume to ensure even spacing and smooth orientation while accurately capturing the part's geometry. Although these atoms collectively represent the complete object, they do not inherently define a fabrication plan. To address this, we compute an extrusion toolpath as an ordered sequence of atoms that, when followed, provides a collision-free fabrication strategy. This general approach is robust, requires minimal user intervention compared to existing techniques, and integrates many of the best features into a unified framework: precise deposition conforming to non-planar surfaces, effective filling of narrow features – down to a single path – and the capability to locally print vertical structures before transitioning elsewhere. Additionally, it enables entirely new capabilities, such as anisotropic appearance fabrication on curved surfaces.

雾化器:超越非平面切片用于熔丝制造
熔丝制造(FFF)使用户能够快速设计和制造具有前所未有的几何复杂性的零件,微调每个物体的结构和美学特性。然而,这项技术的全部潜力尚未实现,因为目前的切片方法未能充分利用现代3D打印机提供的沉积自由。在这项工作中,我们介绍了一种新的工具路径生成方法,它超越了传统的基于层的概念。我们使用被称为原子的框架作为实体元素,而不是切片。我们优化了零件体积内原子的分布,以确保均匀的间距和平滑的方向,同时准确地捕捉零件的几何形状。虽然这些原子共同代表了完整的物体,但它们本身并不能定义一个制造计划。为了解决这个问题,我们将挤出刀具路径计算为有序的原子序列,当遵循该序列时,将提供无碰撞的制造策略。与现有技术相比,这种通用方法是强大的,需要最少的用户干预,并将许多最佳特征集成到一个统一的框架中:符合非平面表面的精确沉积,有效填充狭窄的特征-直到单一路径-以及在过渡到其他地方之前本地打印垂直结构的能力。此外,它还实现了全新的功能,例如曲面上的各向异性外观制造。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Computer Graphics Forum
Computer Graphics Forum 工程技术-计算机:软件工程
CiteScore
5.80
自引率
12.00%
发文量
175
审稿时长
3-6 weeks
期刊介绍: Computer Graphics Forum is the official journal of Eurographics, published in cooperation with Wiley-Blackwell, and is a unique, international source of information for computer graphics professionals interested in graphics developments worldwide. It is now one of the leading journals for researchers, developers and users of computer graphics in both commercial and academic environments. The journal reports on the latest developments in the field throughout the world and covers all aspects of the theory, practice and application of computer graphics.
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