◆ Sealing wax
Moon and star wax seal stamp
A crescent moon and three stars on a 28 mm wax seal stamp: celestial seals for letters, tarot and journals.
◆ Sealing wax
A crescent moon and three stars on a 28 mm wax seal stamp: celestial seals for letters, tarot and journals.
A crescent moon with three stars tucked inside its curve, raised on a 28 mm seal with a fine border, for everything with a night-sky theme. Seal letters and pen-pal mail, celestial wedding invitations, tarot and journal pages, candle labels and bookish gifts.
Made with our free stamp maker, not modelled by hand: we drew the design in code, knocked out of a solid disc, uploaded the picture and set the circle shape to 28 mm across with the relief at 1 mm, enough for wax without trapping it. The page traced it into the face, so the design is cut into the stamp and stands proud on the seal. The zip holds exactly what the tool gives you: a stamp plate with a 1 mm raised face and a handle that screws into its back, as one STL, and as a 3MF with the face, plate and handle as separate coloured parts. The page mirrors the face, so the mark reads the right way round, and flares every raised wall a little toward the plate, which helps the stamp let go of warm sealing wax. The picture is in the zip too, so you can change it and make your own.
Shown as a 3D render of the printed stamp and the seal it presses into a puddle of wax, not a photo.
Print both parts as exported: the plate face down on the bed, the handle standing on its foot, no supports.
Screw the handle into the back of the plate until it is snug.
Chill the face on an ice pack for a minute.
Pour a puddle of wax a little wider than the seal, wait about ten seconds, then press the stamp straight down and hold it still for 10 to 20 seconds.
Lift straight up once the wax has set, and chill the stamp again before the next seal.
Print details
| Works with | Sealing wax |
|---|---|
| Printed parts | 2 |
| Size (W x D x H) | 28 x 28 x 47 mm |
| Print bed needed | 62 x 39 mm, 28 mm tall |
| Filament | ~8 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: stamp and handle (STL + coloured 3MF) + print sheet + artwork (PNG, SVG) + README |
| 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 stamp →Made with the free Custom stamps generator. Upload your own shape and get the same kind of tool built from 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 stamp guide.
Navy, black or deep purple wax with a gold or silver shimmer: dust a little metallic mica on the raised moon once the seal has set and it looks like a night sky. Plain gold wax on dark envelopes works too.
Yes, a seal is a lovely journal decoration. Make the seal on baking paper first, let it harden, then peel it off and glue it to the page: the paper stays flat and the seal will not crack when the journal closes.
PETG for the plate if you have it: it stays stiff to about 80 C, where PLA softens near 60 C, and a fresh puddle of sealing wax is hotter than that for a few seconds. PLA works too if you chill the plate between seals. Skip TPU: a soft face blurs the design.
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