Telepathy half the world away

[isis]

Which polyhedron am I imagining? I will try to hold the image all day till someone gets it.
____
I feel I should also point out that when Don asks or makes statements that are blatantly or even not obviously incorrect, Ra will correct him if possible within his free will, or say that is unimportant or temporal.
That is to say (and this defies my very being to this day) that there is an underlying logic which is indisputable; This I am very apprehensive about due to experience but it is not very explicable. And this material evidently leaves small gaps for infinite possibilities which seems relevant/important to me.

edit;

82.5 Questioner: Does Ra have any knowledge of the number of previous octaves; and if so, how many?
Ra: I am Ra. As far as we are aware we are in an infinite creation. There is no counting.

a regular tetrahedron?