◆ Candle wax

Donut candle mold

A frosted donut candle, 80 mm: standing on its edge with dripping icing and raised sprinkles on the front. A rigid two-part print.

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3D render of a frosted donut candle with sprinkles standing on its edge between the two printed halves of its rigid blue and orange mold
Candle wax ~181 g Pro early access

A donut candle 80 mm across and 29 mm thick, standing on its edge with the hole looking at you: a plump baked ring, dripping icing over the front and 38 raised sprinkles scattered on it, and a flat spot underneath to stand on.

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The mold is exactly what our two-part candle mold generator builds for it: two rigid halves with rubber-band grooves, pry pockets and a pour funnel on top. The hole runs straight through front to back, the way the mold opens, and all the icing and sprinkles are on the front half, so the tool's own seam check finds nothing stuck. No silicone needed.

A fun bakery candle for kitchens, birthdays and dessert-scent sets. Pour the donut in golden brown and paint the icing pink or chocolate, then the sprinkles in bright colours. The zip carries both halves, the donut master as its own STL, the tool's own print-settings sheet and a recipe file for the generator.

Shown as a 3D render of the printed mold halves pulled apart around the candle they cast, not a photo.

What you need

3
  • About 88 g of pillar wax: the cavity holds 98 ml
  • A tabbed, primed wick for a 25 mm candle, about 50 mm long
  • Rubber bands or clamps, and a clip or wick bar across the funnel

How to cast it

5

  1. Print both halves as exported. Clamp-strength settings: 4 walls, 40% gyroid infill, no supports.

  2. Drop a tabbed wick into one half so the tab sits on the cavity floor, close the halves and band them along the whole seam.

  3. Clip the wick centred across the pour funnel and pour at 65 to 75 C.

  4. Once the first pour is firm but still warm, top up the funnel. Wax shrinks, and the second pour fills the dip.

  5. Cool fully, open the halves at the pry pockets and trim the wick. Paint the icing and sprinkles if you like.

Print details

6 hPrint time
~181 gFilament
2Printed parts
41 × 101 × 95 mmSize (W x D x H)
All print details
Print details
Cast materialCandle wax
Printed parts2
Size (W x D x H)41 x 101 x 95 mm
Print bed needed101 x 22 mm, 95 mm tall
Filament~181 g
Layer height0.2 mm
Infill40%
SupportsNot needed
DownloadZIP: 2 printed parts (STL) + candle master (STL) + print sheet + recipe
Added2026-09-25

Pro early access until October 25, 2026, then free with any account.

Make your own candle mold →

Made with the free Rigid box mold generator. Upload your own model and get the same kind of mold built around it, in your browser.

Free for personal use. Selling the pieces you cast needs a commercial licence (Pro or Founder); passing on the file itself is not permitted on any plan. Full terms.

New to casting? Read the candle mold guide.

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Questions about this design

Why does the donut candle stand on its edge?

So the hole looks the way the mold opens. Lying flat, the hole would lock a rigid two-part mold shut. Standing up, it releases cleanly and shows off the icing.

Where does the wick go in the donut candle?

Down from the top of the ring, where the pour funnel sits, about 20 mm into the dough above the hole. It is a short-burning, decorative candle, perfect as a scent piece or a gift.

How do I colour the icing and sprinkles?

Pour the donut in a golden brown, then paint the icing with pink or chocolate candle paint and pick out the sprinkles with a fine brush. The sprinkles stand proud, so a quick dab is enough.

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