Puller
thingiverse
This is an extended "puller" for the flying helicopter toy http://www.thingiverse.com/thing:1885007/ I printed the helicopter at 50% size and the puller was a bit short. This puller is sized for 50% of the original.
Download Model from thingiverse
With this file you will be able to print Puller with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Puller.