Custom Geometric Lattice

customizable lattice of space filling polyhedra AKA space-filling tessellation
AKA honeycomb
(see
http://mathworld.wolfram.com/Space-FillingPolyhedron.html,
https://en.wikipedia.org/wiki/Convex_uniform_honeycomb)
Similar to:
Christmas Something - https://www.thingiverse.com/thing:585147 (elongated dodecahedron)
ProFab Lattice Cube - https://www.thingiverse.com/thing:2522147 (truncated octahedron)
Octet-truss lattice - https://www.thingiverse.com/thing:2092513 (tetrahedron/octrahe