A body centered cubic lattice has two pattern per unit cell: the patterns at each vertex are shared between 8 neighbouring cells.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Cubique_centre_atomes_par_maille.svg" title="File:Cubique centre atomes par maille.svg">Cubique_centre_atomes_par_maille.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Cdang" title="User:Cdang">Cdang</a> (original idea and SVG execution), Samuel Dupré (3D modelling with SolidWorks)</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Daniele_Pugliesi" class="mw-redirect" title="User:Daniele Pugliesi">Daniele Pugliesi</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Daniele_Pugliesi" class="mw-redirect" title="User talk:Daniele Pugliesi"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Cubique_centre_atomes_par_maille.svg" title="File:Cubique centre atomes par maille.svg">Cubique_centre_atomes_par_maille.svg</a></li></ul>