Baby Rattle

This is a baby rattle that should be able to be printed out on a makerbot. Has a small sphere in the middle of the ball that needs to be broken off for it to rattle. I have attached the DWG and DXF files along with the STL. I don't have a 3D printer but this should work.

Please let me know how it prints. I am waiting on my Makerbot and I would love to know if the design need changing.

The hole in the top is decorative and functional. Increases rattling sound and is used to break off th