Abstract
<h2>Abstract</h2> The Programmatic Lattice Generator (PLG) is a software tool for generating lattice structures through the repetition of strut based lattice unit cells. The code has an extended library of unit cell topologies and additional functionality. It provides information on connectivity, length, orientation and printability of each strut element. The code has been used to generate lattice geometry for finite element models and additively manufactured parts presented in multiple peer-reviewed journal articles. This software has been extended to include tools that aid in the deployment of optimal AM structures including radial transformations and manufacturability assessment.
Highlights
Lattice structures are a spatial framework of connected strut elements which are important for a range of engineering applications including automotive, aerospace and biomechanical [1]
Additive Manufacturing (AM) enables the fabrication of the complex geometries associated with lattice structures that are challenging to manufacture using traditional forming and subtractive technologies [2]
Lattice geometry exported in STL format treats each node and strut element as individual components rather than as the Boolean union of these elements
Summary
Lattice structures are a spatial framework of connected strut elements which are important for a range of engineering applications including automotive, aerospace and biomechanical [1]. CAD packages can use patterns to replicate unit cells but are limited in their ability to generate local. MIT License git Matlab (2019a–2021b) see repository see repository changes to tune the mechanical and thermal response Code for these CAD packages is often closed to modifications. Once the desired structure is built it can be analyzed, plotted, or saved to a geometric format This data can be used for Additive Manufacture (AM) and computer simulation. The PLG enables the rapid design and manufacture of lattice structures that are difficult or impossible to design in traditional CAD software (Fig. 1). This greatly simplifies the workflow of engineers and researchers working in AM. The PLG can offer quality analysis and generate support structures required for fabrication (e)
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