A pack of ten 6-way hubs with associated ball connectors and wood screws and clamping metal work, which will enable you to add another layer to a regular 2v dome to create the 'Pod' structure.
Download the pod build instructions here.
To create the extra height you need 20x Shorts.For the new base you need 10x Longs.
Here's how to calculate the door sticks:Door Short = 0.422 x DiameterDoor Long = 0.466 x Diameter
3.2m diameter pod lengths:45x 900mm (Long) 50x 786mm (Short)1x 1350mm (Door Short)1x 1491mm (Door Long)