7 X 7 mm. Cable Chain UPDATE 6/25/2019

This is the same cable chain that is on Amazon http://www.amazon.com/gp/produ... This is great for the heat bed wires at the rear of bed on my prusa I3 Dual extruder.. Created with Design Spark Mechanical, a FREE and extremity easy to learn and use CAD http://www.rs-online.com/desig... Have a great day. :-) NOTE:  I have redone this design into the Metric system. Some have said that it was mixed with Imperial. This Has been corrected.  Happy printing :-)