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

Bar necklace, free 3D model

A slim bar for names, dates or coordinates, with a hole at each end to hang it level (or one at the top, for a vertical bar). Set the size and ends, then download it. Free, with no account.

Bar necklace 3D model

Building the 3D model…

30 mm
5.0 mm
1.5 mm

Ends

Hang

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

  • Bar: 30 × 5 mm and 1.5 mm thick, its corners and edges softened.
  • Holes: 1.4 mm, one near each end, for jump rings to the chain.
  • 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 bar necklace 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 length

Length10k gold14k gold18k goldPlatinumSterling silver
20 mm 1.7 g1.9 g2.2 g3.0 g1.5 g
25 mm 2.1 g2.3 g2.8 g3.8 g1.9 g
30 mm 2.5 g2.8 g3.4 g4.6 g2.2 g
35 mm 2.9 g3.3 g4.0 g5.4 g2.6 g
40 mm 3.4 g3.8 g4.5 g6.2 g3.0 g
50 mm 4.2 g4.8 g5.7 g7.8 g3.8 g

What's the metal worth? 3 grams of 14k gold, 3 grams of 18k gold or 5 grams of platinum.

Questions

About this model