Zones

multi zone lattices multi zone lattices enable powerful control over the performance of your lattice each lattice type has its own unique characteristics, and zones allow the lattice to serve multiple purposes for example, rhombic lattices absorb energy and serve well in high impact conditions if a high impact lattice is wearable, you may also want a lattice that performs well for comfort such as tetrahedral multi zone allows you to achieve both goals furthermore, transition zones allow you to specify the transition distance large transition distances enable the creation of hybrid lattices that merge the characteristics of two lattice types you are therefore not limited to just the lattice types offered but also have every hybrid option available if you have not yet read about file preparation docid\ ia0qx01vb vsxjgbk0le5 , please do so before proceeding how to specify zones strut lattice define the input mesh the input mesh defines the overall design space that will be latticed these parameters define the overall characteristic of the lattice and provide the favoring parameters for the lattice where a zone is not specified select the overall design space as the input mesh select the lattice parameters to define the unit cell zones define the lattice zone(s) each zone may define its own lattice parameters you do not need to define the entire boundary mesh with zones select zones tab select zone mesh select the lattice parameters for the zone specify the transition distance defaults to the main cell size of the input mesh you may also use lattice search docid\ llwko8suvfs2j3cejz6yr to apply a lattice type to a zone transition distance transition distance defines the dimension within which zones transition between differing parameters minimum distance minimum one cell size distance transition distance defaults to the main cell size of the input mesh if a zone's cell is larger than the input mesh main cell size, it is recommended to increase the transition distance to the larger cell size the software does not prevent you from entering smaller transition distances so you can iterate for your design note that the smaller the distance, the more potential there is for awkward transitions transitions that are difficult to clean in post processing lattice type minimum transition the minimum transition is shown here with each lattice type combination for reference each lattice was created with a 5 0 mm cell size, 0 5 mm strut diameter, and 5 0 mm transition distance on a sample puck geometry from left>right/top>bottom icosahedral | kagome | rhombic | tetrahedral | voronoi transitions between similar lattice types may appear smoother, such as kagome and voronoi lattice types that are very different from each other will have a more noticeable transition, such as tetrahedral and voronoi in these cases, a larger transition distance may yield more gradual resulting transitions large distances for hybrid lattice type hybrid lattices are essentially another type of lattice that combines the characteristics of two types this example uses voronoi at the sides of a wrist pad for its springy character while combining voronoi with tetrahedral in the center, where a wrist rests, to engage the static comfort of tetrahedral transition distance is measured outwards from the edge of a zone overlapping transitions may be needed to obtain a hybrid lattice type in this case, the two sides are defined as zones with a transition distance that extends fully across the center (which is not defined as a zone) lattice search docid\ llwko8suvfs2j3cejz6yr also provides a wide variety of hybrid lattice types that are not limited to just two types