Karamba 3d on Sierplinski Tetrahedron

Hi there!

I am new to using Karamba 3d and I am attempting to use it on a sierplinski tetrahedron which I created in grasshopper.

I would like to use Karamba to show the deflection that would occur on the structure rom the triangles above. I would also like to work out if there is a requirement for either a double support or for a wider support at the weaker nodes.

I am currently getting this warning: 'There are 6 rigid body modes in the system. This means some parts can move freely without causing deformation. Try to use the 'Eigen Modes'-component and activate the display of local coordinate axes: The first eigen-mode will be the rigid body motion. If this does not help, check whether you have a pinned support directly attached to a hinge. A hinge introduces an extra node which may cause the problem. When analyzing a flat shell structure one has to lock the rotation perpendicular to the plate in at least one node.' But nothing seems to happen with I use eigen and I am unsure where and what to use this for. 

This only occurs when I am applying the Karamba to a more complex sierplinski.

I applied Karamba to just a simple tetrahedron and this has given me a thickness to the structure. Does this therefore mean that there would be no deflection as the max displacement is showing as 0.00001? (see below)

I have attached the grasshopper file I have been working on.

Thank you so much in advance,

Alexandra