◆ Candle wax
A puffy heart candle, 80 mm wide: plump and rounded front and back, standing on a flat cut through its point. A rigid two-part print.
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A puffy heart candle 80 mm wide, 67 mm tall and 38 mm thick: the classic plump 3D heart, rounded on both faces, standing on a flat foot cut through the point.
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 edge of the heart, so each rounded face is one half, and the tool's own seam check finds nothing stuck. No silicone needed.
Hearts are the best-selling gift shape for Valentine's Day, Mother's Day and weddings. Pour it in red, blush or white, or in two layers. The zip carries both halves, the heart 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.
Print both halves as exported. Clamp-strength settings: 4 walls, 40% gyroid infill, no supports.
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.
Clip the wick centred across the pour funnel and pour at 65 to 75 C.
Once the first pour is firm but still warm, top up the funnel. Wax shrinks, and the second pour fills the dip.
Cool fully, open the halves at the pry pockets and trim the wick in the dip between the two lobes.
Print details
| Cast material | Candle wax |
|---|---|
| Printed parts | 2 |
| Size (W x D x H) | 50 x 101 x 88 mm |
| Print bed needed | 102 x 27 mm, 89 mm tall |
| Filament | ~208 g |
| Layer height | 0.2 mm |
| Infill | 40% |
| Supports | Not needed |
| Download | ZIP: 2 printed parts (STL) + candle master (STL) + print sheet + recipe |
| Added | 2026-09-25 |
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 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.
Yes. The point is cut flat into a foot about 30 by 24 mm, so it stands steadily on a level table. Set it on a small dish while it burns.
Down from the dip between the two lobes at the top to the foot, where the pour funnel sits. Drop a tabbed wick in before closing the halves and clip it across the funnel.
Yes. Pour the first colour to about a third, let it skin over, then fill with the second. An ombre from red at the bottom to blush at the top looks especially good on a heart.
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