◆ Cookie dough
Ocean sea creature cookie cutter set with stamps
Six sea creature cookie cutters with stamps: whale, fish, octopus, starfish, sea turtle and a seashell.
◆ Cookie dough
Six sea creature cookie cutters with stamps: whale, fish, octopus, starfish, sea turtle and a seashell.
Six sea creatures for an under-the-sea party: a whale with its tail up, a fish with scales and fins, an octopus with five chunky curling arms, a starfish, a sea turtle with its shell pattern and a scallop shell. Every cutter has a stamp that presses the eyes, the scales, the dots or the shell ribs into the cookie. Good for under-the-sea and mermaid birthdays, beach weddings, summer parties, baby showers and aquarium days.
All six were made with our free cookie cutter generator, not modelled by hand: we drew each shape with its stamp's lines inside it and uploaded it with Generate stamp switched on. The zip holds exactly what the tool gives you, one STL per shape with the cutter (a 0.8 mm blade, 14 mm tall, with a 4 mm rim to press on) and its stamp side by side, plus each drawing as an SVG. The cookies come out 90 x 60 mm (whale), 85 x 56 mm (fish), 89 x 90 mm (octopus), 85 x 81 mm (starfish), 78 x 90 mm (sea turtle) and 81 x 85 mm (seashell).
For a beach look, dip the bottom edge of each iced cookie in crushed digestive biscuits or light brown sugar as sand, and give the shell and starfish a brush of edible pearl dust.
The cutters and stamps print flat with no supports, in PLA or PETG. A cutter touches dough for a minute, but a 3D print has fine layer grooves where crumbs can sit: pick a food-contact filament if you can, wash each part by hand in warm soapy water before and after use, never in a dishwasher, and flour the blade and stamp before every press.
Shown as a 3D render of the six printed cutters, their stamps and a stamped cookie from each, not a photo.
Print each file as exported: the cutter rim flat on the bed with the blade pointing up, and its stamp beside it, no supports.
Wash every part in warm soapy water before the first use.
Roll the chilled dough 5 to 6 mm thick between two sheets of baking paper.
Dip a cutter's blade in flour, press straight down with your palm on the rim, and lift.
Dust its stamp, press it into each cookie that cutter cut, about 2 mm deep, and lift it straight up.
Chill the stamped cookies for ten minutes, then bake.
Wash the parts by hand straight after use and let them dry. PLA softens in a dishwasher.
Print details
| Works with | Cookie dough |
|---|---|
| Printed parts | 12 |
| Print bed needed | 204 x 98 mm, 14 mm tall |
| Filament | ~116 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: six cutters with their stamps (6 STL) + print and food-contact sheet + drawings (SVG) + README |
| Added | 2026-09-27 |
Made with the free Cookie cutter generator. Upload your own shape and get the same kind of tool built from it, in your browser.
Free download. Opens the Thingiverse listing in a new tab.
Free for personal use. Selling the printed piece itself needs a commercial licence (Pro or Founder); passing on the file is not permitted on any plan. Full terms.
Food contact: the cutter only touches dough briefly, but layer lines hold residue. Print it in a food-contact filament, wash it by hand in warm water, and keep it away from the dishwasher. Food-safe guide.
New to this? Read the cutter guide.
Six, each with a stamp: a whale, a fish, an octopus, a starfish, a sea turtle and a scallop shell. The stamps press in the whale's mouth and grooves, the fish scales, the octopus face, the starfish dots, the turtle shell and the shell ribs.
No: the octopus has five thick arms rather than eight thin ones, each well over a centimetre wide on the cookie, with wide gaps between them. Chill the cut cookies before baking and lift them with a spatula under the head and arms together.
Yes, the shell and the starfish are the mermaid pieces, and the fish, turtle and whale fill out the sea. Ice them in teal, lilac and coral with a little edible glitter for a party table that shimmers.
Yes. Every drawing is in the zip as an SVG: upload one to the free cookie cutter generator, switch on Generate stamp and move the Cutter size slider (these are 85 to 90 mm). The stamp scales with its cutter, so its lines still fit the cookie.
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