◆ Candle wax

Skull candle mold

A 75 mm human skull candle with deep eye sockets and both rows of teeth, as a silicone mold from printed parts.

Make your own silicone mold
3D render of the skull master with deep eye sockets and teeth, fused on its printed charcoal base, between the orange and blue hugging shell halves
Candle wax ~241 g Pro early access

A skull candle 77 mm front to back, 60 mm wide and 75 mm tall: a domed cranium, a heavy brow over two deep eye sockets, an upside-down-heart nose cavity, cheekbones, and twenty teeth set round the jaw. It stands on a flat under the jaw and the back of the skull.

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Made with the hugging-shell mode of our silicone mold maker, the mode the tool itself suggests for this shape. The sockets and the nose are undercuts that would lock any rigid mold, so print the base with the skull fused onto it, the two shell halves and the six clamps, pour about 336 ml of silicone, and cast in the flexible mold that comes out.

The Halloween bestseller: pour it in bone white and brush dark wax or mica into the sockets and between the teeth, or pour it black and dust the cheekbones silver. The same mold casts plaster or resin for a desk skull. The zip carries every printed part, the skull 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 parts pulled apart around the master, not a photo.

What you need

4
  • About 368 ml of silicone (mix it in one batch)
  • About 188 g of pillar wax per candle: each cast is 209 ml
  • Tape or a hot glue gun for the outside seams
  • A primed wick about 110 mm long and a wick needle

How to cast it

6

  1. Print the base, which has the master already fused onto it, the two shell halves and the six clamps (all six are in clamps.stl). No supports.

  2. Stand the shell halves on the base around the master and push the six printed clamps over the seams. Steel binder clips work too, the seats for them are built into the shell.

  3. Tape the outside seams or run a bead of hot glue along them, because silicone finds every gap.

  4. Mix 368 ml of silicone in one batch, pour it into the open top in a thin stream, and fill level with the rim.

  5. Once it has cured, unclip the shell, lift it off and peel the silicone off the master. That silicone is your mold.

  6. Set the silicone back in the shell to keep its shape, and cast into it through the opening the base left.

Print details

7 h 30 minPrint time
~241 gFilament
9Printed parts
116 × 108 × 89 mmSize (W x D x H)
All print details
Print details
Cast materialCandle wax
Printed parts9
Size (W x D x H)116 x 108 x 89 mm
Print bed needed114 x 95 mm, 90 mm tall
Filament~241 g
Layer height0.2 mm
Infill15%
SupportsNot needed
DownloadZIP: 9 printed parts in 4 STL files + candle master (STL) + print sheet + recipe
Added2026-09-25

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

Make your own silicone mold →

Made with the free Silicone mold maker 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 silicone mold maker guide.

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Questions about this design

Where does the wick go in the skull candle?

Straight down through the top of the cranium. The skull casts upside down through the opening at its base, so pierce the silicone at the crown with a wick needle, thread a primed wick through from the inside and pull it taut before you pour.

How do I get dark eye sockets on a skull candle?

Pour the skull in white or bone wax, let it cool fully, then brush a little black or brown mica mixed with a drop of melted wax into the sockets, the nose and the gaps between the teeth, and wipe the high points clean with a paper towel. The detail jumps out.

Can I cast the skull mold in resin or plaster?

Yes. Plaster or Jesmonite gives a crisp white desk skull in about an hour; brush a thin first coat into the sockets and the teeth so no bubble sits there. Resin works too, with a mold release, and makes a heavy paperweight.

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