Pendants · charms · earrings · brooches · STL from Text to STL

AI Jewelry 3D Model Generator: Pendants, Charms and Earrings to STL

Pick a piece (pendant, charm, earring or brooch) and a motif such as a leaf or a crescent moon, or type your own. The page writes one prompt with a bail loop and a printable shape and gives you the size to scale it to. Paste it into Text to STL and download an STL. It is a starting model: a jeweller or CAD pass is still needed for stone settings and casting.

1. Pick the piece

Ring bands are not here: a band must match an exact ring size, which AI does not know.

Hangs on a chain or cord.

2. Pick a motif

Simple, bold shapes print best at jewellery size.

Use your own idea: no brand or designer pieces and no film, game or book characters.

3. Set the size

A starting size for a pendant; change it to yours. The shape words in the prompt follow it.

Scale the STL to 20.0 mm wide x 25.0 mm tall (0.79 in x 0.98 in), the loop included.

Thickness: thin edges and a thin bail snap first. We suggest at least 1 mm for prints you wear; ask your caster for metal. After scaling, find the thin spots with the wall thickness checker or look them over in the STL viewer.

4. Make the 3D model

One model: 15 creditsUses your Text to STL login and credits.

Pendant: Leaf

20.0 mm x 25.0 mm

Pendant: a single oak leaf with raised veins and a short stem, about as wide as tall, flat and compact, polished silver look, jewelry pendant, single solid piece, with a bail loop at the top, smooth surfaces, no thin parts, 3d printable, plain white background

  1. Press Open in Text to STL. The prompt goes with it into the Prompt box.
  2. Generate. If the box is empty, come back, press Copy prompt and paste it in.
  3. Download the STL and scale it to the size above in Scale STL.

This is a starting model; a jeweller or CAD pass is needed for stone settings and casting. AI models have no real size and do not know wall thickness or stone seats, so check and fix them before you cast.

Have a sketch or photo of the piece? Turn one picture into one model with Image to STL (20 credits a model).

5. Print, cast or render

You wantHowGood to know
Metal piece (lost-wax casting)Resin printer with a castable wax or castable resin, then a casting service or jewellerHave a jeweller or CAD pass check walls, the bail and any stone seats first. Casting results are not guaranteed.
Wearable resin pieceResin printer (SLA, DLP or MSLA) with standard or tough resinFinest detail at small sizes. Sand, then paint or coat.
Size and shape prototypeFDM printer (PLA or PETG), the smallest nozzle you haveCheap check of size and look. Detail finer than the nozzle width is lost.
Gold or silver renderDownload GLB from Text to 3D, then paint it in the AI 3D Texturing StudioFor a product shot or a mockup, not for printing.

Render look: paint the GLB gold or silver in the AI 3D Texturing Studio, or try a metal look first with the 3D model material changer. Print cost: 3D print cost calculator.

How to make 3D printable jewelry with AI

  1. 1

    Pick the piece and motif

    Choose pendant, charm, earring or brooch, a loop option and one of twelve motifs, or type your own. The page writes one prompt with the loop and printable-shape words.

  2. 2

    Generate the STL

    Press Open in Text to STL: the prompt goes into the Prompt box (or copy it and paste it in). Generate, then download the STL (or a GLB for a render).

  3. 3

    Scale it to your size

    AI models have no real size. Scale the STL to the width and height you set here in Scale STL, keep proportions locked, and check the loop and the thinnest parts in the STL viewer.

  4. 4

    Print or send it out

    Print a PLA or resin prototype first. For metal, print in castable resin or wax and take it to a caster or jeweller, who also adds stone settings.

What to expect from AI jewelry models

  • It is a starting model. A jeweller or a CAD pass is needed for stone settings and casting.
  • AI models have no real size. Scale each STL to your width and height before printing.
  • Bold, simple motifs print best at jewellery size; fine filigree and thin strands usually break.
  • Check the bail or hole: it must be thick enough to hold and wide enough for your chain or jump ring.
  • Leave stones out of the prompt. Prongs and seats must match the real stone, which the AI does not know.

Jewelry from a sketch or photo

Already drew the pendant, or have a photo of a charm? Turn one clear, front-on picture into one 3D model.

Generate your pendant now

Copy the prompt above and paste it into Text to STL. You get a printable STL for 15 credits. Want a gold or silver product shot instead? Make a GLB with Text to 3D and paint it in the AI 3D Texturing Studio.

More 3D printing tools

AI jewelry 3D model generator FAQ

You pick a piece type (pendant, charm, earring or brooch), a loop option, a finish and a motif. The page writes one prompt that asks for a single solid piece with smooth surfaces and no thin parts. You paste it into Text to STL, which builds a 3D model you download as an STL or GLB.
Treat it as a starting model. AI meshes have no real size, and they do not know wall thickness, stone seats or sprue points, so a jeweller or a CAD pass is needed before casting. Many casters work from a castable resin or wax print of the cleaned-up model. We do not promise that a raw AI model will cast.
Not reliably. AI can suggest where a stone sits, but prongs and seats must match the exact stone size, which the AI does not know. Leave stones out of the prompt, or have a jeweller or CAD designer add the settings.
It is your choice. The page starts from a pendant of 20 x 25 mm, a charm of 12 x 15 mm, an earring of 15 x 22 mm and a brooch of 35 x 35 mm, and you can change any of them. The page shows each size in millimetres and inches. Scale the STL to that size in Scale STL.
Thin edges and a thin bail snap first, so keep worn parts sturdy. We suggest at least 1 mm for prints you wear. For casting, ask your caster: one AI jewellery guide lists 0.5 mm as a minimum wall for metal casting. Check the thinnest spots in the STL viewer after scaling.
This page is for pendants, charms, earrings and brooches. A ring band has to match an exact ring size, which an AI model does not know, so set the inner diameter in CAD or a ring sizing tool.
Yes. Use Image to STL or Image to 3D with a clear picture of one piece on a plain background. A flat, front-on drawing works best. Then scale and check it the same way.
No. Brand designs, designer signatures and characters from films, games or books are not allowed. Describe the shape you want instead, for example "four-petal flower" or "interlocking circles".