Showing how basic platonic solids can be derived from <a href="https://en.wikipedia.org/wiki/Metatron%27s_Cube" class="extiw" title="en:Metatron's Cube">Metatron's Cube</a>
<a href="//commons.wikimedia.org/wiki/User:MidnightLightning" title="User:MidnightLightning">MidnightLightning</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>