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

Infinity necklace, free 3D model

An infinity sign in round wire, lying sideways, with a small closed loop at each end where the chain attaches. Set the width and wire, then download it. Free, with no account.

Infinity necklace 3D model

Building the 3D model…

20.0 mm
1.4 mm

Preview in

14k gold
–
18k gold
–
Platinum
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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

  • Infinity: 20 mm end to end, loops included, in 1.4 mm round wire.
  • Loops: one at each end, with a 1.6 mm hole, for a jump ring or the chain itself.
  • 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 gold infinity pendant 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 width

Width10k gold14k gold18k goldPlatinumSterling silver
15 mm 0.63 g0.71 g0.84 g1.2 g0.56 g
18 mm 0.76 g0.86 g1.0 g1.4 g0.68 g
20 mm 0.85 g0.96 g1.1 g1.6 g0.76 g
25 mm 1.1 g1.2 g1.4 g2.0 g0.96 g
30 mm 1.3 g1.5 g1.7 g2.4 g1.2 g
35 mm 1.5 g1.7 g2.1 g2.8 g1.4 g

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

Questions

About this model