Rattle balls
thingiverse
I created these interactive rattling balls as a favor to a fellow crafter who specializes in making colorful, handmade crochet toys for infants. Simply fill them with shiny metallic noise-makers purchased at a local five-and-dime store and attach the components together using a strong adhesive like modeling glue.
Download Model from thingiverse
With this file you will be able to print Rattle balls 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 Rattle balls.