Kite Spool
thingiverse
This thing lets you wind the string for you kite better than the flat ones that come with the dollar store kites. Instructions Pretty straight forward, print the stl file, then insert the handles of the spool.
Download Model from thingiverse
With this file you will be able to print Kite Spool 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 Kite Spool.