Joint based series with basic shapes:
This robot is based upon a "Octahedron" (cube with the corners cut off).
The arms are based upon the same technique as the legs. My first try with a possible toy is OCTA_001.
I really like this series, it's too bad it takes some much time to create the total series.
Although it looks great, the head is to heavy for the joints. With a lot of effort it stands.
The word "octahedron" is derived from "octa" meaning eight, "hedra" meaning faces, and "on" from "onia" meaning existence.
Therefore an octahedron is literally an object with eight faces.
So here is it: