Topper has a 15mm ID and the hook is about 50mm long. Useful for all of your ornament hanging needs! (Pairs well with the [Voronoiments](http://www.thingiverse.com/thing:189376) I designed.) Assembles the same as non-printed ones do.
I solve complex problems, design new futures, explore obscure corners of the world. Head of Industrial Design at http://www.socialbicycles.com. Partner in robotics at http://ww...