Now at version 0.4 http://abelian.org/lcnetgen/ This version handles coils and loops with arbitrary polygonal cross-section:- rectangular, triangular, octagonal, in fact any regular or irregular convex or concave non-intersecting shape. It is perhaps just about fit enough to attempt 3D modeling of breakout growth, if someone can help me with the plasma physics. -- Paul Nicholson -- _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla