◆ Chocolate
Chocolate letter mold, A to Z
All 26 letters, A to Z, in one pour. A food-safe silicone chocolate mold you make yourself.
◆ Chocolate
All 26 letters, A to Z, in one pour. A food-safe silicone chocolate mold you make yourself.
The whole alphabet in chunky, rounded capitals: 26 letters, each 24 mm tall and 8 mm deep, in one tray, about 86 ml of chocolate for the full set. Spell a name on a birthday cake, a message on a cupcake tray, or initials on a wedding dessert table.
Made with our tray mold generator in its flexible silicone tray mode: print the caster, pour a food-safe platinum silicone into it and peel out a flexible alphabet tray. The printed caster never touches food, only the silicone does, and thin letters flex out of silicone without snapping.
The letters are Titan One, a bold rounded display font with no hairline strokes, so every letter is strong enough to lift. Need a name with repeated letters? Pour the tray twice. The zip carries the printed caster exactly as the tool exported it, the full A to Z set as an STL, the master uploaded to the tool, and a print and pour sheet with the silicone figure the tool measured.
Shown as a 3D render of the printed caster with a set of chocolate letters in front, not a photo.
Print the caster as exported, open side up. It is one part, so there are no seams to seal. No supports.
Set it on a level surface. Mix 331 ml of silicone in one batch and pour it into one corner in a thin stream, letting it flow round the raised shapes until it is level with the rim.
Tap the caster on the table for a minute to bring the bubbles up, then let the silicone cure for as long as its datasheet says.
Peel the cured silicone out of the caster. If the silicone's datasheet gives a post-cure, do it, then wash the tray in hot soapy water and rinse it before the first use. That silicone is your tray; the caster is ready for another one.
Temper the chocolate (melt to 45 to 50 C, cool with chopped chocolate to 31 to 32 C for dark, 30 to 31 C for milk, 28 to 29 C for white), or melt candy melts, which need no tempering. Silicone must be clean, dry and at room temperature.
Pipe each letter full, tap the tray on the counter for a minute to lift out the air, and scrape the tray flat with a bench scraper so no thin skin joins neighbouring letters.
Let it set for 20 minutes in a cool room, then 10 in the fridge. Peel the silicone back from each letter, starting at its widest part, rather than pushing it out from behind. Keep them in a cool, dry place, not the fridge.
Print details
| Cast material | Chocolate |
|---|---|
| Printed parts | 1 |
| Size (W x D x H) | 197 x 126 x 20 mm |
| Print bed needed | 197 x 127 mm, 21 mm tall |
| Filament | ~117 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: printed caster (STL) + one alphabet of chocolate letters (STL) + tool master (STL) + print and pour sheet |
| Added | 2026-09-27 |
Pro early access until October 27, 2026, then free with any account.
Like it or post your print on Thingiverse
Make your own tray mold →Made with the free Tray 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 ice cube tray mold guide.
The seed method: melt two thirds of the chocolate to 45 to 50 C, stir in the last third as chopped pieces until it cools to working temperature, 31 to 32 C for dark, 30 to 31 C for milk and 28 to 29 C for white. Tempered letters snap cleanly and shine; untempered ones stay soft and streaky.
Let them set completely, 20 minutes in a cool room, then 10 in the fridge. Peel the silicone away from each letter rather than pushing it out from behind, starting at its widest part. Pipe the chocolate in rather than pouring, so no thin skin joins neighbouring letters.
Yes. Press fondant or gum paste in with cornflour on your fingers, level it with a knife and flex the letters out; they dry hard in a day. For soap letters, pour melt-and-pour soap at about 60 C in a separate tray you keep for soap.
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