Collection: Under the Sea STL Files | 3D Printable Ocean-Themed Cookie Cutters

Under the Sea STL Files – 3D Printable Cookie Cutter Designs for Ocean-Themed Bakes

Make a splash in the kitchen with our Under the Sea STL Files collection — a fun and versatile range of ocean-inspired cookie cutter designs, perfect for birthday parties, mermaid themes, beach bakes, and educational sets. Designed for bakers with 3D printers, these digital files make it easy to print cutters at home and dive into a world of edible creativity.

This collection includes seashells, starfish, turtles, seahorses, crabs, jellyfish, fish, coral, mermaids, waves, and other aquatic shapes. Whether you're creating cookies for a summer celebration, an underwater-themed birthday, or decorating a sweet table for a beach wedding, these files offer ocean charm without the wait for shipping.

Each cutter is delivered as a high-resolution STL file, suitable for most FDM 3D printers. Many designs come in multiple formats, including cutter-only, matching embosser or debosser, combo cutter + stamp files, and sometimes layered versions for extra visual impact. Just download, print with PLA+ or food-safe filament, and start decorating.

These cutters are perfect for home bakers, cookie artists, and small business owners who want fast, flexible access to themed shapes. Print exactly what you need, when you need it, and use them again and again for ocean-themed sets that wow.

FAQs

What types of designs are included?

This collection features ocean creatures like turtles, fish, jellyfish, seahorses, and crabs, as well as shells, waves, sea plants, and mermaid-inspired shapes.

Are these physical products?

No — these are downloadable STL files. You’ll need to 3D print the cookie cutters yourself.

What kind of 3D printer do I need?

Compatible with most standard FDM 3D printers such as Bambu Lab, Prusa, and Creality. PLA+ or other food-safe filaments are recommended.

Do the downloads include both cutters and stamps?

Yes — most designs include a cutter, a stamp (embosser or debosser), and often a combo file for perfect alignment.

Can I request a custom sea creature or ocean-themed design?

We’re not taking custom STL requests right now, but this collection is regularly updated with new designs — so check back soon!