Check out the "Sew Easy!" Group here at Thingiverse. It is all about sewing supplies, 3D printed fashion and tools related to threads and fabric http://www.thingiverse.com/groups/sew-easy"
This is a spool holder for big thread spools to be used directly on the sewing machine, without having to wind the thread to another smaller spool.
Please post a picture of your print, I love seeing the different prints of my designs.
Using cylinders and boolean objects.