<http://versiontracker.com/moreinfo.fcgi?id=1870&db=mac>
It easily opens and resaves in most graphics formats.
I didn't see the PLT file format listed on the Lemkesoft Web site. Do you know if it supports the PLT format for conversion, possibly to EPS?
input and output formats at:
<http://www.kandusoftware.com/products/macintosh/cadmover.html>