I did something unique and a number of people have asked that I describe the process used to make the cables in my current project. http://forums.bit-tech.net/showthread.php?p=850586#post850586 Be warned however. This project takes a considerable amount of time and is extremely tedious. You will need the following tools to accomplish this. + Forceps or miniature pliers + Power Drill or Drillpress (preferred) + Accurate cutting tool (dremel will NOT do if you want to make spacers) + Soldering iron + Wire Cutter/Stripper + Accurate ruler, hopefully with metric units since you're working with parts made under them + Rubber mallet or hammer + Sharp implement for punching hole centers Before starting you need to source parts. The only source I could find that had everything I needed was http://www.performance-pcs.com Hopefully someone will know of other sources for materials in the US and UK. 1. Cut 20 identical lengths of wire (18awg) 2. Strip 3mm off one end of each wire 3. Crimp on correct pins and solder/heatshrink if required 4. Plug crimped pins into matching connector 5. Measure connector to find outer dimensions and wire spacings ((The wire spacings for Molex connectors are roughly 5mm, and ATX and ATXP4 spacings are roughly 4mm)) 6. Mark measurements onto the edge of a sheet of plastic or aluminum 7. Use an awl, ice pick, center punch, or nail with a rubber mallet or hammer to punch each hole center. Allow some spacing betwen marked connectors on the material so that you can cut them apart. Make sure to double check you measurements. something I forgot to do and subsequently ended up making spacers with 22 holes instead of 20. 8. Drill out all the holes. 18awg wire will fit snugly through a hole drilled with 3/32-inch bit. 9. Use a scroll saw, jigsaw, bandsaw, or table saw to cut inbetween the marked spacers 10. Cut the spacers from the sheet 11. Sand the edges of the newly cut spacers as desired 12. Remove the contact paper 13. Thread the wire through the all the spacers 14. Straighten the cable and double check the lengths of the wires. Cut ends to match as needed 15. Strip 3mm off the end of each wire 16. Crimp on correct pins and solder/heatshrink if required ((If you are wiring a simple molex connector, skip ahead to step #19)) 17. Twist-tie one end of your stock cable. This will represent your unfinished custom cable end 18. Using the stock cable as a template, use the resistance measurement feature on a multimeter to figure out where each wire crosses over from the connector on the other end. Make the same cross-overs on the end of your custom cable and plug the pins into those connector sockets. 19. Plug remaining crimped pins into matching connector 20. Double-check cable voltages with a multimeter by plugging a standard color-coded extension into the end of your custom cable. Compare your voltage results with a stock cable or another power supply with the same pinout. Average time to complete ATXP4 cable: 2+ hours Molex 4-pin cables: 4+ hours ATX cable: 6+ hours As always, measure twice cut once. And more importantly double-check that you're putting the pins where they belong. They're a real booger to get back out if you screw them up.