Is this 3D model really free?

Yes. There's no account, no watermark and no limit. You can print it, cast it, render it and sell what you make. If you share the file itself, please credit Bling AI with a link to this page.

Which file should I download?

STL for 3D printing or a casting house: the metal only. 3DM to open in Rhino or Matrix, with the metal and stones on their own layers. OBJ for Blender, KeyShot and most other 3D software. GLB for the web, AR and quick renders, with metal and diamond materials. All of them are in real size.

Is it ready to print and cast?

Yes, for printing: two closed solids already captured one inside the other, clear all round, so it comes off the printer spinning. Lying flat, the channel's 45° walls need no supports inside. In metal, a spinner is usually made in two pieces, with one flange rolled over once the spinner is on; the 3DM is a good starting point for that.

What clearance should I use?

0.3 to 0.4 mm suits most resin printers; use 0.5 mm or more on a filament printer. Too little and the parts fuse; too much and the spinner rattles.

Can I make product photos from the model?

Yes. Make product photos of it opens the piece in our 3D viewer: choose the metal and angle, and Bling AI turns that view into studio and on-model photos. That part needs a free account.

Free 3D models · STL · 3DM · OBJ · GLB

Spinner ring, free 3D model

Q: How much does a spinner ring weigh?

This one, as first shown, is about 14.3 g in 14k gold, 17.1 g in 18k gold and 23.4 g in platinum, measured from the 3D model itself. The table above has other sizes.

A fidget ring in two parts: a core band with a V-shaped channel, and an outer ring captured in it that spins freely. It prints in one go, already assembled. Set the size, width and clearance, then download it. Free, with no account.

Building the 3D model…

Ring size

UK P½ · EU 57 · JP 16

Width8.0 mm

Clearance0.35 mm

Preview in

14k gold: –
18k gold: –
Platinum: –

STL: the metal only, ready for a slicer or a casting house. 3DM opens in Rhino and Matrix with metal and stones on their own layers. OBJ and GLB include the stones. All in real size.

The model

What you're downloading

Core: 0.9 mm thick under a channel with 45° walls, its flanges standing 1.1 mm higher at each edge.
Spinner: a ring in the channel, standing 0.6 mm proud of the flanges and 0.35 mm clear of the core all round.
Two parts: two separate solids in one file, already captured one inside the other.
Sizes: US 3 to 13 in half sizes, each built to its exact inside diameter (see the ring size converter for UK, EU and JP sizes).
Files: built in your browser when you click, exactly as you set it. STL, 3DM and OBJ are in millimetres (STL and 3DM Z-up); GLB is in metres, as the format requires.

Metal weight

How much does a spinner ring weigh?

Measured from the 3D model, metal only, with everything else as first shown above. Real pieces vary a little with the alloy and finishing.

Weight by ring size, both parts

Ring size	10k gold	14k gold	18k gold	Platinum	Sterling silver
US 5 (15.7 mm)	11.2 g	12.7 g	15.1 g	20.7 g	10.0 g
US 6 (16.5 mm)	11.7 g	13.2 g	15.7 g	21.6 g	10.5 g
US 7 (17.3 mm)	12.2 g	13.8 g	16.4 g	22.5 g	10.9 g
US 8 (18.1 mm)	12.7 g	14.3 g	17.1 g	23.4 g	11.3 g
US 9 (19.0 mm)	13.3 g	15.0 g	17.8 g	24.4 g	11.8 g
US 10 (19.8 mm)	13.7 g	15.5 g	18.5 g	25.4 g	12.3 g
US 11 (20.6 mm)	14.2 g	16.1 g	19.1 g	26.3 g	12.7 g