◆ Candle wax

Coffin candle mold

A coffin candle, 92 mm tall: the six-sided outline standing upright, a raised lid panel and a cross on the front. A rigid two-part print.

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3D render of a black coffin candle with a cross on the lid between the two printed halves of its rigid blue and orange mold
Candle wax ~142 g

A coffin candle 92 mm tall, 54 mm wide and 28 mm deep: the classic six-sided coffin outline standing upright, a raised, bevelled lid panel on the front and a cross on the lid.

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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 seam runs round the coffin's outline, so the lid and cross are the front half, and the tool's own seam check finds nothing stuck. No silicone needed.

A gothic favourite for Halloween, horror fans and dark-aesthetic shelves. Pour it in black, blood red or bone white, and rub the cross with silver or gold. The zip carries both halves, the coffin 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.

Coffin candle mold at a glance: every printed part with its size, print time, filament, print settings and the three steps to use it
How this mold works

What you need

3
  • About 87 g of pillar wax: the cavity holds 97 ml
  • A tabbed, primed wick for a 30 mm candle, about 110 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. Rub the cross with metallic wax if you like.

Print details

4 h 40 minPrint time
~142 gFilament
2Printed parts
40 × 75 × 113 mmSize (W x D x H)
All print details
Print details
Cast materialCandle wax
Printed parts2
Size (W x D x H)40 x 75 x 113 mm
Print bed needed75 x 21 mm, 113 mm tall
Filament~142 g
Layer height0.2 mm
Infill40%
SupportsNot needed
DownloadZIP: 2 printed parts (STL) + candle master (STL) + print sheet + recipe
Added2026-09-25
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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.

Download free on Thingiverse

Free download. Opens the Thingiverse listing in a new tab.

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

How do I pour a black coffin candle?

Use a black candle dye made for wax, not a pigment, so the wick does not clog. Black shows every bubble, so pour a little cooler, around 70 C, and tap the mold after pouring.

How do I make the cross stand out?

Rub a little metallic gilding wax or silver mica over the cross with a fingertip once the candle is out. The cross stands 1.6 mm proud of the lid, so the finger only catches the cross.

Where does the wick come out of the coffin?

Out of the top of the coffin, where the pour funnel sits, straight down the middle. The coffin is 28 mm deep, so use a small wick.

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