Cool 3D-Printed and fully working ball bearing! Made with PLA-45 from orbi-tech and Creative

3D Printing
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Cool 3D-Printed and fully working ball bearing! Made with PLA-45 from orbi-tech and Creative Tools AB. Printed with a single-extruder without support (only a snap-away support).
http://www.youtube.com/watch?v=6w8Y2uCUgwk