◆ Cookie dough
Baby onesie cookie cutter
A baby bodysuit with short sleeves and snap flap. The baby shower cookie.
◆ Cookie dough
A baby bodysuit with short sleeves and snap flap. The baby shower cookie.
A baby bodysuit, the onesie, with a round neckline, short sleeves and a narrow snap flap at the bottom. It is the most requested baby shower cookie shape, and it takes a name, a slogan or a pattern well. Good for baby showers, gender reveals and birth announcements. The cookie comes out about 85 by 83 mm.
Made with our free cookie cutter generator, not modelled by hand: we drew the silhouette, uploaded it to the tool and set the cutter size to 85 mm. The STL in the zip is exactly what the tool gives you: a 0.8 mm blade, 14 mm tall, with a 4 mm rim to press on, exported rim down so it prints without supports. The silhouette is in the zip too, as an SVG, so you can make it bigger, smaller or add a matching stamp.
A row of three small dots at the bottom of the flap, piped in white, reads instantly as the snaps. It is the one detail that makes it a onesie and not a T-shirt.
Shown as a 3D render of the printed cutter and two cookies in its shape, not a photo.
Print the cutter as exported: rim flat on the bed, blade pointing up, no supports.
Wash it in warm soapy water before the first use.
Roll the chilled dough 5 to 6 mm thick between two sheets of baking paper.
Dip the blade in flour, press straight down with your palm on the rim, and lift.
Chill the cut cookies for ten minutes, then bake.
Wash the cutter by hand straight after use and let it dry. PLA softens in a dishwasher.
Print details
| Works with | Cookie dough |
|---|---|
| Printed parts | 1 |
| Size (W x D x H) | 93 x 91 x 14 mm |
| Print bed needed | 93 x 92 mm, 14 mm tall |
| Filament | ~7 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: cutter (STL) + print and food-contact sheet + silhouette (SVG) + README |
| Added | 2026-09-24 |
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.
The baby's name, "Oh baby", "Hello world", the due date or "Little one". Pipe it across the chest once the base coat has set, and add three white dots on the flap for the snaps.
Yes. Bake them plain, fill a piping bag with pink or blue icing and decorate them together at the party, or hide the colour inside by sandwiching two cookies with coloured buttercream.
Yes. Upload baby-onesie.svg from the zip to the free cookie cutter generator and move the Cutter size slider (this one is 85 mm). You can also switch on a matching stamp there, or change the blade height and rim.
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