About this 3D model
This will allow the tubes on the caps to stay stationary when twisting the caps off for easy removal of filament for your Flashforge,CTC and Wanhao dual printers. Here is link to the source. Plate and Cap: http://www.thingiverse.com/thing:312726 Cap with Grips: http://www.thingiverse.com/thing:325551 Test: https://www.youtube.com/watch?v=n9Z02SJvH1o Installed: https://www.youtube.com/watch?v=Xul_M9r4U0I Cable holder: http://www.thingiverse.com/thing:287253 Update: 5/13/2014 Added cap with grips 12/31/2014 Combined threads to this designed cable guide from, http://www.thingiverse.com/thing:340031