Delicate, curious, and irresistibly cute, this 3D printed and hand-painted Costasiella is inspired by one of the most beloved sea slugs in the underwater world.

Often nicknamed the “leaf sheep,” Costasiella species are famous for their bright green bodies, soft leaf-shaped cerata, and expressive little face. This miniature sculpture captures their gentle form and playful appearance, carefully brought to life through detailed hand painting.

Each piece is 3D printed with precision and finished entirely by hand, making every Costasiella unique—just like the real ones hiding among algae on tropical reefs.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com  !

Bring a piece of the reef into your home with this 3D printed and hand-painted Cyerce nigra, inspired by one of the most fascinating and elegant sacoglossan sea slugs of the Indo-Pacific.

Each model is carefully 3D printed and then individually hand-painted, capturing the deep dark body, delicate patterns, and the characteristic leaf-like cerata that give this species its soft, almost plant-like appearance. No two pieces are exactly alike—each one is a small, unique tribute to marine life.

Often admired for its graceful movements and subtle beauty, Cyerce nigra blends perfectly into its surroundings, making every real-life encounter feel special. This miniature sculpture celebrates its refined shape and natural elegance.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com !

Elegant and refined, this 3D printed and hand-painted Goniobranchus geminus is inspired by a nudibranch prized by divers for its subtle beauty and clean lines.

Characterized by its pale body, delicate patterning, and finely colored mantle edge, Goniobranchus geminus embodies a more understated kind of vibrancy—proof that nudibranch beauty isn’t always about bold contrasts. This miniature sculpture highlights its smooth form and graceful posture, carefully enhanced through detailed hand painting.

Each model is 3D printed with care and individually hand-painted, making every piece unique and subtly different, just like individuals observed on the reef.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com  !

Bring a piece of the reef into your home with this 3D printed and hand-painted Nembrotha kubaryana, inspired by one of the most iconic and vibrant nudibranchs of the Indo-Pacific.

Each model is carefully 3D printed and then individually hand-painted, capturing the electric black body, deep green dots, and vivid orange rhinophores that make this species so unmistakable. No two pieces are exactly alike—each one is a small, unique tribute to marine life.

Known to divers as the “variable neon slug,” Nembrotha kubaryana is a true underwater jewel, and this miniature sculpture celebrates its bold colors and elegant shape.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com  !

What if your keys could be a little cuter… and a lot more ocean-inspired?

These 3D printed and hand-painted Costasiella keyholders are inspired by one of the most adorable creatures in the ocean—often nicknamed the “leaf sheep.” Small, green, and full of personality, Costasiella nudibranchs have captured the hearts of divers and marine life lovers around the world.

Now, you can carry one with you wherever you go.

Bring a piece of the reef into your home with this 3D printed and hand-painted Phyllodesmium magnum, inspired by one of the most fascinating and well-camouflaged nudibranchs of the Indo-Pacific.

Each model is carefully 3D printed and then individually hand-painted, capturing the soft brown tones, branching cerata, and organic textures that allow this species to mimic soft corals so convincingly. No two pieces are exactly alike—each one is a small, unique tribute to marine life.

Known for its incredible camouflage, Phyllodesmium magnum blends seamlessly into its environment, often going unnoticed even by experienced divers. This miniature sculpture celebrates its natural elegance and its remarkable adaptation to reef life.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com !

Bring a piece of the reef into your home with this 3D printed and hand-painted Thecacera pacifica, inspired by one of the most iconic and charismatic nudibranchs of the Indo-Pacific.

Each model is carefully 3D printed and then individually hand-painted, capturing the bright orange body, electric blue highlights, and distinctive horn-like appendages that make this species so recognizable. No two pieces are exactly alike—each one is a small, unique tribute to marine life.

Often nicknamed the “pikachu nudibranch,” Thecacera pacifica is a favorite among divers and underwater photographers for its bold colors and playful appearance. This miniature sculpture celebrates its vibrant personality and unmistakable silhouette.

Each Nudi is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com!

Bring a splash of cuteness and ocean magic into your home with this hand-crocheted Costasiella nudibranch. Inspired by one of the most adorable sea slugs on the planet — nicknamed the "leaf sheep" — this miniature marine critter is sure to charm divers, sea slug fans, and lovers of quirky ocean creatures alike!

Each Costasiella is handmade with care and patience during my surface intervals — when I'm not underwater spotting nudibranchs or documenting marine life for Cnymacro.com  !

Bring a touch of the ocean into your home with this adorable hand-crocheted octopus. Inspired by the mesmerizing beauty of marine life, this soft and squishy cephalopod is perfect for ocean lovers, scuba divers, and anyone who’s enchanted by the underwater world.

Each octopus is carefully handmade with love and patience during my free time — when I’m not exploring the sea or photographing nudibranchs for Cnymacro.com!

This delicate hand-crocheted pearl is a little tribute to the hidden gems of the sea. Simple, soft, and full of charm, it brings a poetic touch of ocean magic to your home, your desk, or even your dive logbook.

Each pearl is lovingly handmade during my quiet moments on land, when I’m not diving or photographing nudibranchs for Cnymacro.com!