*
* fastcap surface list file for two concentric spherical shells
* - inner is a conductor surface
* - outer is a dielectric/dielectric (coating/air) interface
*
* radius 1 shell is the conductor
C sphere2.neu 2.0  0.0 0.0 0.0
*
* radius 2 shell is the dielectric interface - air on the outside
D big_sphere1.neu 1.0 2.0  0.0 0.0 0.0  0.0 0.0 0.0 -