Voronoi Lattice Helmet Mesh Probelm

Hello,

We want to make voronoi lattice helmet, we can got the voronoi design but with different bodies (brep or mesh) we can not analyse it how can I merge all parts in one? Can you help please

Helmet Voronoi File.gh (29.5 KB)
yeni kask modeli.3dm (320.0 KB)