Dave Bell wrote :
> Fer or Gianni: Would it be possible to include a more general sort of
> bifilar dial design in your program(s)? Fer's Zonwvlak computes bifilar
> designs, but assumes the threads are parallel to the X and Y axes, and (I
> think) intersect the Z axis. Gianni's only accepts a single thread, but
> allows it to be defined by two arbitrary (XYZ) points. A combination of
> the two would be really, really nice!! :{)I have written in Italian, in 1998, a program for the calculation of bifilar Sundials on a whatever plane and with whatever rectilinear "threads" (or styles) . In Italy I have already distributed about 50-60 copies of this program . I have finished few days ago the translation in English and it was my intention to send the program to Fred Sawyer with the idea to distribute it as bonus with one of the next isues of The Compendium. As soon as I will have an answer from Fred - to which till now I have not written :-)) - I will inform you Gianni
