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

Ball stud earrings, free 3D model

The simplest stud: a polished ball (or half ball) on a 0.8 mm post with a groove for the back. Set the size, then download it ready to print or cast. Free, with no account.

Ball stud earrings 3D model

Building the 3D model…

5.0 mm

Shape

Preview in

14k gold
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18k gold
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Platinum
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Metal weight for one earring.

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

  • Ball: a solid 5 mm ball.
  • Post: 0.8 mm (20 gauge), 10.5 mm long, with a groove 1.5 mm from its end for the back.
  • A pair: the file is one earring. Print or cast it twice.
  • 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 do gold ball studs weigh?

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

Weight per earring by ball size

Ball10k gold14k gold18k goldPlatinumSterling silver
3 mm 0.22 g0.25 g0.30 g0.41 g0.20 g
4 mm 0.45 g0.51 g0.60 g0.82 g0.40 g
5 mm 0.82 g0.92 g1.1 g1.5 g0.73 g
6 mm 1.4 g1.5 g1.8 g2.5 g1.2 g
8 mm 3.2 g3.6 g4.3 g5.8 g2.8 g
10 mm 6.1 g6.9 g8.2 g11.3 g5.5 g

What's the metal worth? 2 grams of platinum.

Questions

About this model