I had replaced the file home1 file with a update due to some measurements that were off a bit , All is fine now Enjoy. This is the Cable Chain that Amazon sells. http://www.amazon.com/gp/product/B00880AVL2?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00 Created with Design Spark Mechanical, a FREE and extremity easy to learn and use CAD http://www.rs-online.com/designspark/electronics/eng/page/mechanical Have a great day. :-)