Tri-spinner without the Knurl.
The caps in the spinner work great for me, but other people have complained. So here is a link to another set of caps that work well too.
http://www.thingiverse.com/thing:1848330
Printer:
Wanhao i3
Rafts:
No
Supports:
No
Resolution:
.2
Infill:
75%
Category: OtherThe author marked this model as their own original creation. Imported from Thingiverse.