Mini Tri-Spinner (+Dual)

Spinning toy

Gadget

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Description

Your fingers never stand still do they? Mine neither... So I created this miniature spinner using one 607 ball bearing. The other ball bearings are just for kicks and to add weight.
This thing spins forever. From start to standstill it takes at least 90 seconds - not bad!

Video:

Materials and methods

You need one 607 ball bearing. I recommend a ceramics bearing since this things spin forever (C607). The other three bearings are just to add weight. These can be normal 607 bearings. The "ZZ" variant looks nicer since it has fully enclosed sides.

Here is the ceramics ball bearing I used (open type):
https://www.kugellager-express.de/keramik-hybrid-miniatur-kugellager-c-607-7x19x6-mm.html

No special slicing instructions. You could slice at 0.2mm layer height and 30% infill. I went with 0.1mm layer height and concentric infill (latest Cura). For the dual version I changed the "dual overlap to 0.2mm".

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Comments

199324f4c7196bc3d0b31e593e7d893f?default=blank&size=40YCheez added this to the Spinner collection ago
C56bb8a7a01df4e38fc1e58135de6d23?default=blank&size=40JustKrys added this to the Things to Print collection ago
158fb8004a86976951e868e3ac5db284?default=blank&size=40Nils Uliczka added this to the Fidget collection ago
Mini 645ospalh added this to the Things to make collection ago
Mini online avatar 2014Stefan Nicolin commented ago

Sadly I didn't create a center cap. But it should be trivial to do so.

Ef9d793877b165f084ff61936106cbe2?default=blank&size=40Edward McGowan commented ago

Work's great. Would you happen to have the STL the center caps?

E58d2b1686fb9326153a3d24ef1c19cd?default=blank&size=40Space4mars@icloud.com added this to the Things to make collection ago
92d761a1d95cdfffdf09b84fbffaeb6a?default=blank&size=40Killdash9 added this to the Toys collection ago
0eee14b0a6fff2af0fbc1c5c966e5a57?default=blank&size=40alexvaqp added this to the Spinner collection ago
Mini 09w2lpjgUltimaker added this to the Dual extrusion prints collection ago
Mini online avatar 2014Stefan Nicolin added this to the Dual collection ago
Mini online avatar 2014Stefan Nicolin published this design ago