The 2" base is made out of 8mm Plexi, the groundplate is out of 19mm wood, spacing between the two layers is done with 25mm PVC-pipes and M8 rods.
Here you see the connection for the HV-ground of the Secondary and the strikerail-connection.
The 2" primary is made out of 10m of 6mm² copperwire. It´s wound for 11 turns on an 25 degrees plexi-angle.
This is the Primary-tapping, all connections are done with 6mm² OFC-copperwire.