Slimy But Cute: 18 Free Crochet Snail, Slug, Caterpillar & Worm Patterns

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Okay, real talk — when was the last time you thought, “you know what would look amazing on my shelf? A tiny crocheted worm.” Probably never. But that's exactly what's about to happen. This list is full of the most surprisingly adorable little creatures, and once you start scrolling, you're going to want to make every single one.

Snails, slugs, caterpillars, and worms don't usually get a lot of love. But in yarn form? They are absolutely irresistible. Whether you're a beginner who wants something small and fast or an intermediate crocheter looking for a fun challenge, there's a pattern here with your name on it. Oh, and every single one is 100% free.

Let's go!

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Most of these patterns start with a magic ring — if you've never done one before, don't panic! Check out this easy photo tutorial on how to crochet the magic ring before you start.

SNAILS

1. Party Snail Amigurumi — Tiny Curl Crochet

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Party Snail Amigurumi

Little known fact — snails are total party animals. This fun crochet snail proves it. This pattern is so cheerful it honestly made me smile the second I saw it. There's a tiny little party hat involved, and the shell is made with variegated yarn so every single one comes out looking different. It uses worsted or DK weight yarn and a magic ring start, which sounds scarier than it is. Beginners can absolutely handle this one.

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2. Amigurumi Snail — Cuddly Stitches Craft

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Amigurumi Snail

This free crochet snail pattern is super easy and an ideal project for all beginners out there. The finished snail sits upright, which is the most adorable thing. It uses YarnArt Jeans or any cotton/acrylic blend, and the designer even includes a video tutorial. Honestly, this one feels like it was made for someone who has never touched amigurumi before. You'll be done before your coffee gets cold.

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3. Baby Snail Amigurumi — Croby Patterns

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Baby Snail Amigurumi

The pattern is very simple, using two simple stitches: single crochet and single crochet two together, and it's made of three steps: body, shell, and tentacles. Three steps! That's it! The tentacles are the cutest part — they're just yarn pulled through the head and knotted. Doroteja includes a full video walkthrough on YouTube, so you can follow along stitch by stitch if reading patterns isn't your thing.

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If you're brand new to amigurumi, check out this beginner guide on How to Crochet a Stuffed Animal.


4. Small Snail — 5 Little Monsters (Pond Pals Series)

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Small Snail

The shell is made by crocheting a long tube, lightly stuffing it so it holds its shape but can still bend, then curling it into the spiral shape of the shell. That technique is genius. It's part of a whole 12-pattern Pond Pals series with a worm, dragonfly, frog, turtle, and more. Make one or make the whole pond — either way you win.

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5. Snail Amigurumi — StringyDingDing

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Snail Amigurumi

This snail is the smiley-est, happiest looking little guy. The designer shares a really clever trick for the shell — to hide the ridge that forms when crocheting pieces together, you flip the shell inside out once you're almost done crocheting the shells together, so the ugly ridge ends up on the inside. That little tip alone is worth bookmarking this page for. Great pattern for beginners, great result for everyone.

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6. Customizable Snail — Lennutas

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Customizable Snail

What makes this one special is that the body stays the same and the shell is totally swappable. You can mix and match with different shell styles to create snails that are as unique as you are. Fruit-shaped shells, animal shells, holiday shells — you can go wild. It uses sport weight yarn and a 2.3mm hook for a tiny, detailed finish. Great for intermediate crocheters who want to get creative.

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CATERPILLARS

7. Rainbow Caterpillar — StringyDingDing

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Rainbow Caterpillar

This rainbow caterpillar is super cute and the body is made in one continuous piece, so you don't have to sew the balls of the body together. No sewing the segments together! That alone is enough to put this at the top of the caterpillar list. It's 8 inches long and uses a rainbow of worsted weight yarn. Kids go absolutely bananas for this one.

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8. Cheerful Amigurumi Caterpillar — Cuddly Stitches Craft

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Cheerful Amigurumi Caterpillar

This free crochet caterpillar pattern is very simple and a great project for amigurumi beginners. It's just as bright and colorful as spring flowers in full bloom. The designer is Petra, and she has a gift for writing patterns that actually make sense. It uses fine sport weight yarn in a bunch of bright colors and includes a cute little button accent. Totally beginner friendly.

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9. Caterpillar Plushie — Simply Hooked by Marcy

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Caterpillar Plushie

This free caterpillar crochet pattern is equal parts adorable, beginner-friendly, and totally addictive to make. With its plump, segmented body and sweet little face, it's guaranteed to bring smiles to anyone who sees it. Marcy also includes a full video tutorial and a tip to use chenille or velvet yarn if you want extra squishy results. The finished caterpillar looks like it belongs in a children's book.

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10. Kawaii Caterpillar — Aidie & Jellybean via Amigurumi All Free Patterns

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Kawaii Caterpillar

This one has the most adorable little face — big round eyes, rosy cheeks, and the teeniest little smile embroidered in. It uses 4 ply cotton yarn in cream, pink, ice green, and yellow, plus a strand of pale pink yarn for the cheeks. It's got serious kawaii energy and would make a perfect baby shower gift or a toy for little ones who love garden creatures.

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WORMS

11. Wiggly Worm — 5 Little Monsters (Pond Pals Series)

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Wiggly Worm

The finished worm is about 5 inches long when stretched out. It uses a peachy-pink color for an earthworm look, with a little face made of safety eyes and an embroidered smile. There's also a chenille stem inside the body so you can bend and pose it however you like. That feature alone makes it one of the most fun worms on this whole list. Kids are going to lose their minds over this.

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12. Earthworms Wearing Sunhats — Amigurumi To Go

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Earthworms Wearing Sunhats

This pattern is pure magic. Earthworms. In tiny little sunhats. Sitting in a pot of dirt. The pipe cleaners are twisted together, bent over twice to create a little ball, and pushed inside the worm — this keeps the ends secure so there are no sharp points, and lets the worm bend into fun poses. Sharon Ojala from Amigurumi To Go is a genius and these worms are proof.

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13. William the Worm — YarnHookNeedles

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William the Worm

Meet William. He is large, squishy, and absolutely lovable. As long as you can complete a half double crochet stitch, you can most certainly make William. The body is totally customizable — you just keep working HDCs until he's as long as you want him to be. The designer made him for her seven kids, and apparently he became a bedtime buddy rotation. That is the highest compliment a crocheted worm can get.

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14. Crochet Worry Worms — Teenie Crochets

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Crochet Worry Worms

Worry worms are easy-to-make pocket pals that help kids and youngsters deal with worries and big emotions. The idea is simple — you make a tiny spiral worm, attach a little poem card, and give it to a kid who needs a little extra comfort. They're fast, they're meaningful, and they use up almost no yarn at all. Teachers, parents, and school counselors have been making these by the dozens. Make a batch and change someone's whole week.

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SLUGS

15. Snuggle Slugs — A Crafty Concept

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Snuggle Slugs

This is THE slug pattern. Snuggle Slugs are fast, fun, and no-sew, and come in three sizes: Pocket, Hug, and Jumbo. They're made with super bulky sherpa or faux fur yarn plus chenille, which means they come out incredibly soft. Like, unreasonably soft. The jumbo size is basically a pillow. This pattern is the reason “slug” is now a cute word.

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16. Mervin the Banana Slug — Crochetverse

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Mervin the Banana Slug

The world needed a crochet banana slug. Complete with slime trail. Because duh. That quote is from the designer, Stephanie Pokorny, and honestly it tells you everything you need to know. Mervin is bright yellow, has a metallic fur yarn slime trail, and is approximately the most delightful thing you can make with a crochet hook. The pattern is beginner to intermediate and totally free.

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17. Doug the Banana Slug — Handcrafting a Life

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Doug the Banana Slug

Another banana slug! And yes, you need both. Doug is about 7 inches long and uses the amigurumi method worked in continuous spiral rounds. The pattern is provided free with the intention of spreading a little joy, and you're free to make and give away or sell any amigurumis made from it. Doug is rounder and squishier looking than Mervin and would make the most unique handmade gift you've ever given anyone.

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18. Sea Slug — Strangeness Is Conserved

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Sea Slug

This one is for the crocheters who want to try something totally different. Sea slugs can be remarkably beautiful creatures with bright colors and complex patterns, and this design is an experiment with hyperbolic crochet — a style that creates ruffled, organic-looking shapes. It looks like something out of the deep ocean and makes a seriously stunning display piece. Intermediate level but worth every stitch.

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Before You Start Hooking

Cotton or cotton-blend yarn works great for smaller amigurumi because it holds its shape really well. For something bigger and squishier — like the Snuggle Slug — go with chunky chenille or velvet yarn. Your finished toy will be so soft people won't want to put it down.

If you're brand new to amigurumi, start with the Cuddly Stitches Caterpillar or the StringyDingDing Snail. Both have photo tutorials, simple stitches, and very forgiving shapes — meaning even if your magic ring is a little wobbly, the finished toy still looks great.

And seriously — make the earthworms in sunhats. Trust me on this one.

Happy daily crocheting!

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