Ok, so A Talking Fan is awarded the most accurate answer for;
it is a illusion that looks like a 4d pyramid made our of 5 triangles and 4 of them are perpendicular to the one in the middle
like hypercubes , i like to call them hyperpyramids
And the most entreating answer goes to Monolith for;
Its 3spooky5me
I'll be back with a new image later.