◆ Chocolate
Chocolate number mold, 0 to 9
Two sets of 0 to 9 in one pour, for cake toppers. A food-safe silicone chocolate mold you make yourself.
◆ Chocolate
Two sets of 0 to 9 in one pour, for cake toppers. A food-safe silicone chocolate mold you make yourself.
Chocolate numbers for birthday and anniversary cakes: the digits 0 to 9, each 36 mm tall and 10 mm deep, in chunky rounded figures, and TWO full sets per tray, so 11, 18, 21, 40 or 100 all come out of one pour. One set of ten takes about 82 ml of chocolate.
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 tray of twenty numbers. The printed caster never touches food, only the silicone does, and the numbers flex out of silicone with glossy faces.
Stand a number up in a cake with two cocktail sticks pressed into its back while the chocolate is soft, or lay them flat on cupcakes. The zip carries the printed caster exactly as the tool exported it, one set of ten numbers 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 numbers 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 492 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 number 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 numbers.
Let it set for 20 minutes in a cool room, then 10 in the fridge. Peel the silicone back from each number, 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) | 182 x 180 x 23 mm |
| Print bed needed | 183 x 180 mm, 23 mm tall |
| Filament | ~193 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: printed caster (STL) + one set of chocolate numbers (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.
Once the numbers are piped and levelled, push two cocktail sticks into the back of each one you need, about half way up, while the chocolate is still soft, then let it set. The sticks go into the cake. A 36 mm number stands firmly on two sticks.
About 82 ml for one set of ten, so a 250 g bag of chocolate or candy melts fills both sets with some left for the piping bag. Temper a little more than you need: chocolate that has started to set in the bag leaves streaks.
Yes. Brush a thin coat of white chocolate into the faces of the numbers and let it set, then fill with milk or dark chocolate. The face comes out white with a dark back. Keep the brush strokes inside each number so no white shows on the edges.
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