Colors edited from <a href="https://en.wikipedia.org/wiki/truncated_octahedron" class="extiw" title="en:truncated octahedron">truncated octahedron</a> to show Chiral tetrahedral symmetry.
<a href="https://en.wikipedia.org/wiki/User:Tomruen" class="extiw" title="wikipedia:User:Tomruen">Tomruen</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
Attribution
See below.