This is a great representation of a twisted tetrahedron. A tetrahedron is a geometric shape that resembles a triangular pyramid. It has been twisted and a great symmetrical pattern has been created throughout. The model is offered in 3 different sizes; Small, Medium, Large, and it can be 3D printed in various of materials of different applications and uses. This model is a thin / smaller version of the original Twisted Tetrahedron model, which can be found here:
https://www.shapeways.com/product/2MYMCS86W/twisted-tetrahedron?optionId=65389738