This is a post by Mike Gayette on PTC site.
dditive manufacturing opens new doors for product designers. No longer are you constrained to shapes that can easily be milled or poured into a mold. Now you can print shapes that, while not traditional looking, might provide more strength using less materials.
That’s one reason we introduced tools for creating lattice structures in Creo. We’ve already covered how to generate 2.5D and 3D lattices. In this post, I’ll tell you about three more interesting options for lattice design: