Hi,

The generated svg file could be open with inkscape.

Inkscape says the figure is a clone of group.
Each supertile is a clone of group.

I think Moi could not read those clones.

But Inkscape can "unclone"

In Inkscape,
with Edition/Cloner/Délier le clone (Shift+Alt+D) (sorry my UI is french) You avoid clone
with Objet/Dégrouper (Shift+Ctrl+G) You ungroup
Doing this sequence till you have only objects in the description.

When you have only objects in inkscape, you can save the file and open it with MoI3D.