You draw magnets and Pic2Mag draws the fields!(tm)
Pic2Mag is a free program that uses colors to represent magnetic materials.
Based on magnetic moments it calculates the vector fields, isopotential contours, and compass needles.
Windows Command Line Version -> Download - Pic2Mag Beta v2.1 (1.0 meg)
Newest Windows Winform Version -> Download - Pic2Mag's Field Calculator Beta v1.0 (2.0 meg)
Pic2Mag's Field Calculator program with support for four processor threads is a free download.
The paid eight and twelve processor threaded versions are priced at $9.95 and are over two times faster.
Email firstname.lastname@example.org for orders and support.