PTC introduced Stochastic lattices (random lattices) in Creo Parametric 6.0.  This first implementation of the stochastic lattices used Voronoi diagram algorithm. Voronoi is a common algorithm when you want a lattice to conform to bionic shapes.

However, starting with Creo Parametric, Delaunay triangulation was introduced. The Delaunay triangulation generates a set of triangles to use as polygons in the model.

To learn more about creating Stochastic lattices using the Delaunay triangulation, refer to this tutorial on PTC Learning Connector

A related article from Cat McClintok on Design of Lattice Structures in Additive Manufacturing: A Beginner’s Guide for Design Engineers discusses about the following –

  1. What Is a Lattice Structure?
  2. Types of Lattices
  3. Optimizing Design that uses Lattices
  4. Lattice Structure in Additive Manufacturing

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