File format used by PC DESIGNER SOFTWARE for making patterns on a PC or MAC to download to PFAFF, etc. sewing machines… http://www.pfaff-us-cda.com/products/accessories/pcd_software.html: “This remarkable software, available for computers running Windows as well as for Macintosh® computers, lets you create your own stitch designs on your computer screen in full color, then download them to your sewing machine and sew them out in only minutes! Think of all the fun you can have turning drawings or pictures into gorgeous embroidery in practically no time at all.”
Search http://www.google.com/ with TAJIMA formatted DST for more info. Larry